Fix a few superficial issues with "docker-php-ext-enable"

5.6/alpine3.4/cli/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

5.6/alpine3.4/fpm/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

5.6/alpine3.4/zts/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

5.6/jessie/apache/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

5.6/jessie/cli/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

5.6/jessie/fpm/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

5.6/jessie/zts/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.0/alpine3.4/cli/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.0/alpine3.4/fpm/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.0/alpine3.4/zts/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.0/jessie/apache/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.0/jessie/cli/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.0/jessie/fpm/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.0/jessie/zts/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.1/alpine3.4/cli/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.1/alpine3.4/fpm/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.1/alpine3.4/zts/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.1/jessie/apache/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.1/jessie/cli/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.1/jessie/fpm/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.1/jessie/zts/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.2/alpine3.6/cli/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.2/alpine3.6/fpm/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.2/alpine3.6/zts/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.2/alpine3.7/cli/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.2/alpine3.7/fpm/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.2/alpine3.7/zts/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.2/stretch/apache/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.2/stretch/cli/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.2/stretch/fpm/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

7.2/stretch/zts/docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi

docker-php-ext-enable

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cd "$(php -r 'echo ini_get("extension_dir");')"
+extDir="$(php -r 'echo ini_get("extension_dir");')"
+cd "$extDir"
 
 usage() {
 	echo "usage: $0 [options] module-name [module-name ...]"
@@ -10,7 +11,12 @@ usage() {
 	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
-	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+	find -maxdepth 1 \
+			-type f \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+		| sort \
+		| xargs
 	echo
 	echo 'Some of the above modules are already compiled into PHP; please check'
 	echo 'the output of "php -i" to see which modules are already loaded.'
@@ -47,7 +53,7 @@ for module; do
 		module="$module.so"
 	fi
 	if ! [ -f "$module" ]; then
-		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2 "error: '$module' does not exist"
 		echo >&2
 		usage >&2
 		exit 1
@@ -80,7 +86,8 @@ fi
 for module in $modules; do
 	if readelf --wide --syms "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
-		line="zend_extension=$(readlink -f "$module")"
+		absModule="$(readlink -f "$module")"
+		line="zend_extension=$absModule"
 	else
 		line="extension=$module"
 	fi