Difference between revisions of "Category:Bash"

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(Created page with "Bash is a *nix shell. Much more is still in [https://unix.antiperfect.org the antiperfect unix site]. To check within a startup script (like .bashrc) whether or not Bash is r...")
 
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Bash is a *nix shell. Much more is still in [https://unix.antiperfect.org the antiperfect unix site].
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#REDIRECT [[Category:Linux/Unix]]
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To check within a startup script (like .bashrc) whether or not Bash is running interactively. Test if $- has an 'i' in it or if $PS1 (the prompt) exists.
 
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<syntaxhighlight lang=bash>
 
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case "$-" in
 
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*i*) echo This shell is interactive ;;
 
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*) echo This shell is not interactive ;;
 
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esac
 
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if [ -z "$PS1" ]; then
 
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        echo This shell is not interactive
 
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else
 
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        echo This shell is interactive
 
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</syntaxhighlight>
 

Latest revision as of 11:17, 15 February 2023

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