www.nico.schottelius.org/software/cinit/browse_source/cinit-0.3pre10/bin/cinit.path-find

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#!/bin/sh
# Nico Schottelius
# cinit: find binary in path
# Date: 2005-10-15
#
set -e
if [ $# -ne 1 ]; then
echo "$(basename $0): searched binary"
exit 1
fi
binary=$1
# this is NOT really clean, paths can also contain spaces
for pfad in $(echo $PATH | sed 's/:/ /g'); do
fullname=$pfad/$binary
if [ -f "$fullname" ]; then
echo "$fullname"
exit 0
fi
done
exit 1