X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/007be12f2bf7648f79138e834477e77f612766bb..dfe95cb5468618b2eb3d53d41e2ec9f4d167f3f9:/dmenu_path

diff --git a/dmenu_path b/dmenu_path
index 4ecf4fa..cd43748 100755
--- 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