#! /bin/sh # # Search $PATH for a file the same name as $1; return TRUE if found. # command=$1 [ -n "$command" ] || exit 1 set `echo $PATH | sed 's/^:/.:/ s/::/:.:/g s/:$/:./ s/:/ /g'` while [ $# -ne 0 ] ; do [ -f $1/$command ] && exit 0 # test -x not universal shift done exit 1