#!/bin/sh
CACHE=$HOME/.dmenu_cache
IFS=:
uptodate() {
test ! -f $CACHE && return 1
for dir in $PATH
do
      test $dir -nt $CACHE && return 1
done
return 0
}
if ! uptodate
then
       for dir in $PATH
       do
               for file in "$dir"/*
               do
                       test -x "$file" && echo "${file##*/}"
               done
       done | sort | uniq > $CACHE.$$
       mv $CACHE.$$ $CACHE
fi
cat $CACHE