Changed dmenu_path (fixed race, improved speed, check that $PATH is the same as the...
[dmenu.git] / dmenu_path
index 72ff3ed..84e3015 100755 (executable)
@@ -1,2 +1,26 @@
-#!/bin/sh
-/bin/ls -lL `echo $PATH | tr : ' '` 2> /dev/null | awk '$1 ~ /^[^d].*x/ { print $NF }' | sort | uniq
+#!/bin/sh -f
+CACHE=$HOME/.dmenu_cache
+IFS=:
+
+qfind() {
+       find "$@" 2>/dev/null
+}
+
+uptodate() {                                                                       
+       test -f $CACHE &&
+               test "$(echo "$PATH")" = "$(sed 1q "$CACHE")" &&
+               qfind $PATH -maxdepth 0 -newer $CACHE
+}
+
+if ! uptodate
+then
+       {
+               echo "$PATH"
+               qfind $PATH -type f -maxdepth 1 -perm -u+x -o -perm -g+x -o -perm -o+x |
+                       sed 's,.*/,,' | sort | uniq
+       } > $CACHE.$pid
+       mv $CACHE.$pid $CACHE
+fi
+
+tail -n +2 $CACHE
+