diff -u busybox-0.60.5.old/usage.h busybox-0.60.5/usage.h
--- busybox-0.60.5.old/usage.h	2002-09-30 21:59:58.000000000 +0100
+++ busybox-0.60.5/usage.h	2004-01-16 00:42:40.000000000 +0000
@@ -1901,12 +1901,13 @@
 	"     31      46    1365 /etc/passwd\n" 
 
 #define wget_trivial_usage \
-	"[-c|--continue] [-q|--quiet] [-O|--output-document file]\n\t[--header 'header: value'] [-P DIR] url"
+	"[-c|--continue] [-q|--quiet] [-s|--spider] [-O|--output-document file]\n\t[--header 'header: value'] [-P DIR] url"
 #define wget_full_usage \
 	"wget retrieves files via HTTP or FTP\n\n" \
 	"Options:\n" \
 	"\t-c\tcontinue retrieval of aborted transfers\n" \
 	"\t-q\tquiet mode - do not print\n" \
+	"\t-s\tspider mode - check file exists\n" \
 	"\t-P\tSet directory prefix to DIR\n" \
 	"\t-O\tsave to filename ('-' for stdout)"
 
diff -u busybox-0.60.5.old/wget.c busybox-0.60.5/wget.c
--- busybox-0.60.5.old/wget.c	2002-04-27 08:40:00.000000000 +0100
+++ busybox-0.60.5/wget.c	2004-01-16 00:47:47.000000000 +0000
@@ -179,6 +179,7 @@
 	int got_clen = 0;			/* got content-length: from server	*/
 	FILE *output;				/* socket to web server				*/
 	int quiet_flag = FALSE;		/* Be verry, verry quiet...			*/
+	int spider = FALSE;			/* Just check file exists (-s)		*/
 
 #define LONG_HEADER	1
 	struct option long_options[] = {
@@ -186,16 +187,20 @@
 		{ "quiet",		0, NULL, 'q' },
 		{ "output-document",	1, NULL, 'O' },
 		{ "header",		1, &which_long_opt, LONG_HEADER },
+		{ "spider",	 	0, NULL, 's' },
 		{ 0,			0, 0, 0 }
 	};
 	/*
 	 * Crack command line.
 	 */
-	while ((n = getopt_long(argc, argv, "cqO:P:", long_options, &option_index)) != EOF) {
+	while ((n = getopt_long(argc, argv, "cqsO:P:", long_options, &option_index)) != EOF) {
 		switch (n) {
 		case 'c':
 			++do_continue;
 			break;
+		case 's':
+			spider = TRUE;
+			break;
 		case 'P':
 			dir_prefix = optarg;
 			break;
@@ -353,6 +358,8 @@
 					while (gethdr(buf, sizeof(buf), sfp, &n) != NULL);
 					goto read_response;
 				case 200:
+					if (spider)
+						exit(EXIT_SUCCESS);
 					if (do_continue && output != stdout)
 						output = freopen(fname_out, "w", output);
 					do_continue = 0;