1#! /bin/sh 2# 3# Search $PATH for a file the same name as $1; return TRUE if found. 4# 5 6command=$1 7[ -n "$command" ] || exit 1 8 9set `echo $PATH | sed 's/^:/.:/ 10 s/::/:.:/g 11 s/:$/:./ 12 s/:/ /g'` 13 14while [ $# -ne 0 ] ; do 15 [ -f $1/$command ] && exit 0 # test -x not universal 16 shift 17done 18 19exit 1 20