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Update learn.sh

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Daniil Gentili 2015-05-30 23:27:03 +02:00
parent a983bbf39e
commit dde8a84262
1 changed files with 4 additions and 1 deletions
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learn.sh
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@ -146,7 +146,6 @@ Your selection (number, c to continue): "
[ "$editor" = "1" ] && learn_nano [ "$editor" = "1" ] && learn_nano
[ "$editor" = "2" ] && learn_vi [ "$editor" = "2" ] && learn_vi
done done
set +H
echo "Sublesson 3: echo. echo "Sublesson 3: echo.
Echo is one of the basic tools that are most commonly used in bash scripting: it prints out a message to the user. This very message is printed using echo. Echo is one of the basic tools that are most commonly used in bash scripting: it prints out a message to the user. This very message is printed using echo.
@ -178,9 +177,13 @@ Will print:
`echo This will print \\\"echo \\\` it works! \\\` \\\\ \\\"` `echo This will print \\\"echo \\\` it works! \\\` \\\\ \\\"`
" "
press press
echo 'If your phrase also includes a ! followed by a letter or number you should enclose the enclose the phrase in single quotes (\').'
press
echo "To create a file using echo the usage is also very simple: echo "To create a file using echo the usage is also very simple:
echo \"This and echo \"This and
this text will go to a text file.\" > file.txt this text will go to a text file.\" > file.txt
This will recreate the file.
To append the text, insert two >> instead of 1 >
Of course, you can easily change the extension from txt to sh to create a shell script (just don't forget the shebang). Of course, you can easily change the extension from txt to sh to create a shell script (just don't forget the shebang).
" "