--- embedtools/src/cfger.c	2017/06/29 08:29:46	1.4
+++ embedtools/src/cfger.c	2017/06/30 08:41:50	1.5
@@ -3,7 +3,7 @@
  *  by Michael Pounov <misho@aitbg.com>
  *
  * $Author: misho $
- * $Id: cfger.c,v 1.4 2017/06/29 08:29:46 misho Exp $
+ * $Id: cfger.c,v 1.5 2017/06/30 08:41:50 misho Exp $
  *
  *************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -60,12 +60,13 @@ Usage()
 		"=== %s === %s@%s ===\n\n"
 		"  Syntax: cfger [options] <file_config> [data]\n\n"
 		"\t-v\t\tVerbose ...\n"
-		"\t-q\t\tQuiet mode\n"
-		"\t-S\t\tShell script mode\n"
-		"\t-C\t\tWithout comment header\n"
+		"\t-q\t\tQuiet mode in Get variable mode. Output is only variable value\n"
+		"\t-S\t\tShell script mode, without whitespaces between attribute and value\n"
+		"\t-C\t\tWithout program comment header\n"
+		"\t-J\t\tFilter output, just variables, exclude entire different data from a/v pair\n"
 		"\t-o <output>\tOutput result to file\n"
 		"\t-l\t\tList A/V pairs\n"
-		"\t-c <comment>\tAdds comment on header of file\n"
+		"\t-c <comment>\tAdds comment on program header of file\n"
 		"\t-s <attr>\tSet A/V pair\n"
 		"\t-g <attr>\tGet value from A/V pair\n"
 		"*\"attr\" format: [section/]attribute\n"
@@ -75,15 +76,16 @@ Usage()
 int
 main(int argc, char **argv)
 {
-	char ch, *str, m = 0, q = 0, sh = 42, szAttr[STRSIZ], szName[PATH_MAX] = { 0 };
+	char ch, *str, m = 0, q = 0, sh = 42, jv = 0, szAttr[STRSIZ], szName[PATH_MAX] = { 0 };
 	int ret = 0;
 	ait_val_t data = AIT_VAL_INITIALIZER(data);
 	FILE *out = stdout;
 	time_t tim;
 	struct tm tm;
 	char cm = 42, szComment[STRSIZ] = { [0 ... STRSIZ - 1] = 0 }, szTim[STRSIZ] = { 0 };
+	ait_val_t *v;
 
-	while ((ch = getopt(argc, argv, "hvqlSCs:g:o:c:")) != -1)
+	while ((ch = getopt(argc, argv, "hvqlSJCs:g:o:c:")) != -1)
 		switch (ch) {
 			case 'v':
 				Verbose++;
@@ -97,6 +99,9 @@ main(int argc, char **argv)
 			case 'C':
 				cm ^= cm;
 				break;
+			case 'J':
+				jv = 42;
+				break;
 			case 'o':
 				strlcpy(szName, optarg, sizeof szName);
 				break;
@@ -194,7 +199,13 @@ main(int argc, char **argv)
 				fprintf(out, "# Auto-generated file %s from cfger at %s\n#\n# %s\n\n", *argv, szTim, szComment);
 			}
 
-			cfgWriteConfig(out, &cfg, sh);
+			if (jv)
+				cfgWriteConfig(out, &cfg, sh);
+			else {
+				v = cfgWriteLines(out, NULL, NULL, NULL, &cfg);
+				ait_freeVar(&v);
+			}
+
 			break;
 	}
 end: