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get-sig: Improve shell use a bit. Take base directories relative to $HOME.
[bin.git]
/
pwhich
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#! /bin/sh
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set -e
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RET=1
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for PROGRAM in "$@"; do
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IFS_SAVE="$IFS"
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IFS=:
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case $PROGRAM in
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*/*)
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if [ -x "$PROGRAM" ]; then
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printf '%s\n' "$PROGRAM"
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RET=0
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fi
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;;
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*)
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for ELEMENT in $PATH; do
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if [ -x "$ELEMENT/$PROGRAM" ]; then
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printf '%s\n' "$ELEMENT/$PROGRAM"
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RET=0
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break
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fi
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done
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;;
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esac
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IFS="$IFS_SAVE"
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done
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exit "$RET"