#!/bin/sh
+CACHE=$HOME/.dmenu_cache
+UPTODATE=1
IFS=:
-for dir in $PATH
-do
- for file in "$dir"/*
+
+if test ! -f $CACHE
+then
+ unset UPTODATE
+fi
+
+if test $UPTODATE
+then
+ for dir in $PATH
do
- test -x "$file" && echo "${file##*/}"
+ test $dir -nt $CACHE && unset UPTODATE
done
-done | sort | uniq
+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