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Bash (Unix shell): Difference between revisions
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===Wait=== | ===Wait=== | ||
Add <code>wait</code> at the end of a script to wait for all subprocesses. | Add <code>wait</code> at the end of a script to wait for all subprocesses. | ||
===Brace Expansion=== | |||
When you type the following: | |||
<syntaxhighlight lang="bash"> | |||
echo {red,green,blue}_apple | |||
</syntaxhighlight> | |||
bash will print out | |||
<pre> | |||
red_apple green_apple blue_apple | |||
</pre> | |||
If you want to save this into a variable, you can save it as an array: | |||
<syntaxhighlight lang="bash"> | |||
APPLES=({red,green,blue}_apple) | |||
echo "${APPLES[@]}" | |||
</syntaxhighlight> | |||
==dirname== | ==dirname== | ||
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<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
PS1='\[\e]0;\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$' | PS1='\[\e]0;\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$' | ||
</syntaxhighlight> | </syntaxhighlight> | ||