made dmenu_path the way anydot proposed in response to Jukka

[dmenu.git] / dmenu_path

diff --git a/dmenu_path b/dmenu_path
index 4ecf4fa..cd43748 100755 (executable)
--- a/dmenu_path
+++ b/dmenu_path
@@ -1,9 +1,25 @@
 #!/bin/sh
+CACHE=$HOME/.dmenu_cache
 IFS=:
-for dir in $PATH
-do
-       for file in "$dir"/*
+
+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 $PATH
        do
-               test -x "$file" && echo "${file##*/}"
-       done
-done | sort -u
+               for file in "$dir"/*
+               do
+                       test -x "$file" && echo "${file##*/}"
+               done
+       done | sort | uniq > $CACHE
+fi
+
+cat $CACHE