--- libaitcfg/src/cfgprog.c	2025/01/30 14:34:25	1.1.2.3
+++ libaitcfg/src/cfgprog.c	2025/01/31 00:03:15	1.2
@@ -3,7 +3,8 @@
 
 
 cfg_root_t cfg;
-char cfgname[MAXPATHLEN], section[STRSIZ];
+char cfgname[MAXPATHLEN], outname[MAXPATHLEN], section[STRSIZ];
+FILE *out;
 
 
 static void
@@ -14,6 +15,7 @@ Usage(const char *prog)
 		"==========================================\n"
 		" Syntax: %s [-options] <config> [attribute] [value]\n\n"
 		"\t-s <section>\tScope of attribute\n"
+		"\t-o <file>\tWrite updated config to file\n"
 		"\t-w\t\tSet and write attribute\n"
 		"\t-v\t\tVerbose, more -v more verbosity\n"
 		"\t-h\t\tHelp, this help screen!\n", 
@@ -66,6 +68,31 @@ Set(const char *prog, int argc, char **argv)
 	EVERBS(1) printf("Set value %s for %s in scope %s from config %s\n", 
 			argv[1], argv[0], section, prog);
 
+	if (!*argv[1]) {
+		if (cfg_unsetAttribute(&cfg, section, argv[0]) < 1)
+			return 3;
+	} else if (cfg_setAttribute(&cfg, section, argv[0], argv[1]) < 1)
+			return 3;
+
+	if (*outname) {
+		out = fopen(outname, "w");
+		if (!out) {
+			printf("Error:: can't create file %s #%d - %s\n", 
+					outname, errno, strerror(errno));
+			return 2;
+		}
+	}
+
+	if (cfgWriteConfigRaw(out, &cfg, 42)) {
+		printf("Error:: can't write config #%d - %s\n", 
+				cfg_GetErrno(), cfg_GetError());
+		if (*outname)
+			fclose(out);
+		return 2;
+	}
+
+	if (*outname)
+		fclose(out);
 	return 0;
 }
 
@@ -78,6 +105,8 @@ main(int argc, char **argv)
 	const char *prog;
 	char *str;
 
+	out = stdout;
+
 	if (!argv || !*argv)
 		prog = "cfgprog";
 	else if (!(prog = strrchr(*argv, '/')))
@@ -85,8 +114,11 @@ main(int argc, char **argv)
 	else
 		prog++;
 
-	while ((ch = getopt(argc, argv, "hvws:")) != -1)
+	while ((ch = getopt(argc, argv, "hvws:o:")) != -1)
 		switch (ch) {
+			case 'o':
+				strlcpy(outname, optarg, sizeof outname);
+				break;
 			case 'w':
 				run = Set;
 				break;