I also dislike sort -u, I support that each Unix tool does one job and does it right ;)

.hgtags

@@ -24,3 +24,4 @@ c7f5f4d543170f03d70468e98a3a0ec8d2c4161b 1.9
 b6e09682c8adcb6569656bee73c311f9ab457715 2.3
 9e9036cbfb4b7306c6fb366249e81dc0e65bdfde 2.4
 03e83e2788c83ddd63b45a667939d7ec783c98cb 2.4.1
+1ca5d430524e838c52ede912533cb90108c5cd66 2.4.2

config.mk

@@ -1,5 +1,5 @@
 # dmenu version
-VERSION = 2.4.2
+VERSION = 2.5
 
 # Customize below to fit your system
 

dmenu.h

@@ -29,16 +29,16 @@ typedef struct {
 	} font;
 } DC; /* draw context */
 
-extern int screen;
-extern Display *dpy;
-extern DC dc;			/* global drawing context */
+int screen;
+Display *dpy;
+DC dc;			/* global drawing context */
 
 /* draw.c */
-extern void drawtext(const char *text, unsigned long col[ColLast]);
-extern unsigned int textw(const char *text);
-extern unsigned int textnw(const char *text, unsigned int len);
+void drawtext(const char *text, unsigned long col[ColLast]);
+unsigned int textw(const char *text);
+unsigned int textnw(const char *text, unsigned int len);
 
 /* util.c */
-extern void *emalloc(unsigned int size);		/* allocates memory, exits on error */
-extern void eprint(const char *errstr, ...);		/* prints errstr and exits with 1 */
-extern char *estrdup(const char *str);			/* duplicates str, exits on allocation error */
+void *emalloc(unsigned int size);		/* allocates memory, exits on error */
+void eprint(const char *errstr, ...);		/* prints errstr and exits with 1 */
+char *estrdup(const char *str);			/* duplicates str, exits on allocation error */

dmenu_path

@@ -1,2 +1,9 @@
 #!/bin/sh
-/bin/ls -lL `echo $PATH | tr : ' '` 2> /dev/null | awk '$1 ~ /^[^d].*x/ { print $NF }' | sort -u
+IFS=:
+for dir in $PATH
+do
+	for file in "$dir"/*
+	do
+		test -x "$file" && echo "${file##*/}"
+	done
+done | sort | uniq

main.c

@@ -418,7 +418,9 @@ main(int argc, char *argv[]) {
 	XModifierKeymap *modmap;
 	XSetWindowAttributes wa;
 
-	if(isatty(STDIN_FILENO)) {
+	if(argc == 2 && !strncmp("-v", argv[1], 3))
+		eprint("dmenu-"VERSION", (C)opyright MMVI-MMVII Anselm R. Garbe\n");
+	else if(isatty(STDIN_FILENO)) {
 		fputs("error: dmenu can't run in an interactive shell\n", stdout);
 		usage();
 	}
@@ -445,8 +447,6 @@ main(int argc, char *argv[]) {
 		else if(!strncmp(argv[i], "-sf", 4)) {
 			if(++i < argc) selfg = argv[i];
 		}
-		else if(!strncmp(argv[i], "-v", 3))
-			eprint("dmenu-"VERSION", (C)opyright MMVI-MMVII Anselm R. Garbe\n");
 		else
 			usage();
 	setlocale(LC_CTYPE, "");