X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/007be12f2bf7648f79138e834477e77f612766bb..29686bd1b8513ba7512ab089cfdbc7df44986409:/dmenu_path

diff --git a/dmenu_path b/dmenu_path
index 4ecf4fa..7896a9e 100755
--- a/dmenu_path
+++ b/dmenu_path
@@ -1,9 +1,26 @@
 #!/bin/sh
+CACHE=$HOME/.dmenu_cache
 IFS=:
-for dir in $PATH
-do
-	for file in "$dir"/*
+
+uptodate() {
+	test -f "$CACHE" &&
+	for dir in $PATH
 	do
-		test -x "$file" && echo "${file##*/}"
+		test ! $dir -nt "$CACHE" || return 1
 	done
-done | sort -u
+}
+
+if ! uptodate
+then
+	for dir in $PATH
+	do
+		cd "$dir" &&
+		for file in *
+		do
+			test -x "$file" && echo "$file"
+		done
+	done | sort | uniq > "$CACHE".$$ &&
+	mv "$CACHE".$$ "$CACHE"
+fi
+
+cat "$CACHE"