+CACHE=$HOME/.dmenu_cache
+UPTODATE=1
+IFS=:
+
+uptodate() { [ $UPTODATE -eq 1 ]; }
+
+if test ! -f $CACHE
+then
+ UPTODATE=0
+fi
+
+if uptodate
+then
+ for dir in $PATH
+ do
+ test $dir -nt $CACHE && { UPTODATE=0; break; }
+ done
+fi
+
+if ! 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