#!/bin/sh
-/bin/ls -lL `echo $PATH | tr : ' '` 2> /dev/null | awk '$1 ~ /^[^d].*x/ { print $NF }' | /usr/bin/sort -u
+CACHE=$HOME/.dmenu_cache
+UPTODATE=1
+IFS=:
+
+if test ! -f $CACHE
+then
+ unset UPTODATE
+fi
+
+if test $UPTODATE
+then
+ for dir in $PATH
+ do
+ test $dir -nt $CACHE && unset UPTODATE
+ done
+fi
+
+if test ! $UPTODATE
+then
+ for dir in $PATH
+ do
+ for file in "$dir"/*
+ do
+ test -x "$file" && echo "${file##*/}"
+ done
+ done | sort | uniq > $CACHE
+fi
+
+cat $CACHE
