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43 lines
908 B
43 lines
908 B
#!/bin/sh
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# using "helpers." fake namespace to avoid name collisions with installed tools
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# and builtins, so we can properly check existance with command -V
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helpers.yesno(){
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# usage:
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# if helpers.yesno
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# then
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# whatever it is you want to do
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# fi
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echo "(y/N)"
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read optin
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case $optin in
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y*|Y*)
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return 0 # true
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;;
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*)
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return 1 # false
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;;
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esac
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}
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helpers.checkhelp(){
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# to use this just add "helpers.checkhelp $1" to your script
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# right after importing util.sh
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case $1 in
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-h|--help)
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if command -V helpers.help > /dev/null 2>&1
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then
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helpers.help
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else
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echo "No help for this script. This probably means it doesn't take any parameters."
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echo "Just Run It™"
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fi
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exit
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esac
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}
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