Posted By

jeremydouglass on 04/25/11

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command
Bash

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Last Edited at 04/25/11 05:20am

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if command exists (Bash)

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#!/bin/bash
# POSIX command lookup example
CMDS="tar /usr/bin/mysqldump /path/to/other/command"
for i in $CMDS
do
        # command -v will return >0 when the $i is not found
	command -v $i >/dev/null && continue || { echo "$i command not found."; exit 1; }
done