alf: Add -q (quiet) option.

4 files changed, 31 insertions, 8 deletions

diff --git a/src/alf.1 b/src/alf.1
index fd9fae8..5a3df8f 100644
--- a/src/alf.1
+++ b/src/alf.1
@@ -27,7 +27,7 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .in \\n[rst2man-indent\\n[rst2man-indent-level]]u
 ..
-.TH "ALF" 1 "2025-12-10" "0.4.0" "Urchlay's Atari 8-bit Tools"
+.TH "ALF" 1 "2025-12-11" "0.4.0" "Urchlay's Atari 8-bit Tools"
 .SH NAME
 alf \- create Atari 8-bit ALF archives
 .\" RST source for alf(1) man page. Convert with:
@@ -101,6 +101,15 @@ Overwrite \fIalf\-file\fP if it exists; do not make a \fB~\fP backup.
 .
 .INDENT 0.0
 .TP
+.B  \-q
+Quiet operation. \fBalf\fP won\(aqt print any messages on standard
+output. Errors and warnings will still be printed to standard
+error.
+.UNINDENT
+.\" quiet.
+.
+.INDENT 0.0
+.TP
 .B \fB\-td\fP
 Use default \fBLZ.COM\fP timestamps (8 Dec 82  12:24).
 .UNINDENT
diff --git a/src/alf.c b/src/alf.c
index 8af01c3..09f1d76 100644
--- a/src/alf.c
+++ b/src/alf.c
@@ -21,6 +21,7 @@ int opt_alftime = 0;
 int opt_gmtime = 0;
 int opt_txtconv = 0;
 int opt_verbose = 0;
+int opt_quiet = 0;
 
 int backup_msg = 0;
 int file_count = 0;
@@ -220,13 +221,15 @@ void crunch_file(const char *filename_arg) {
 	fclose(in_file);
 
 	create_header();
-	if(opt_verbose) {
-		printf("Crunching %s as %s", in_filename, hdr_filename);
-	} else {
-		printf("Crunching %s", hdr_filename);
+	if(!opt_quiet) {
+		if(opt_verbose) {
+			printf("Crunching %s as %s", in_filename, hdr_filename);
+		} else {
+			printf("Crunching %s", hdr_filename);
+		}
+		fflush(stdout);
+		if(!opt_verbose) putchar('\n');
 	}
-	fflush(stdout);
-	if(!opt_verbose) putchar('\n');
 
 	/* crunches the entire input to memory! */
 	crunch();
@@ -316,11 +319,12 @@ int main(int argc, char **argv) {
 	/* don't let getopt() print error message for us. */
 	opterr = 0;
 
-	while((opt = getopt(argc, argv, "aAt:ovV")) != -1) {
+	while((opt = getopt(argc, argv, "aAt:oqvV")) != -1) {
 		switch(opt) {
 			case 'A': opt_txtconv = 1; break;
 			case 'a': opt_append = 1; opt_overwrite = 1; break;
 			case 'o': opt_overwrite = 1; opt_append = 0; break;
+			case 'q': opt_quiet = 1; break;
 			case 't': opt_zerotime = opt_alftime = opt_gmtime = 0;
 						 switch(*optarg) {
 							 case 'z': opt_zerotime = 1; break;
@@ -339,6 +343,8 @@ int main(int argc, char **argv) {
 		}
 	}
 
+	if(opt_quiet) opt_verbose = 0;
+
 	if(optind >= argc) {
 		fprintf(stderr, "%s: fatal: missing alf file argument (try -h or --help)\n", self);
 		exit(1);
diff --git a/src/alf.rst b/src/alf.rst
index a80b89a..dbee22b 100644
--- a/src/alf.rst
+++ b/src/alf.rst
@@ -81,6 +81,13 @@ an error; **-vtd** is OK).
 
 .. overwrite ALF file if it exists (don't create file~ backup).
 
+-q
+  Quiet operation. **alf** won't print any messages on standard
+  output. Errors and warnings will still be printed to standard
+  error.
+
+.. quiet.
+
 **-td**
   Use default **LZ.COM** timestamps (8 Dec 82  12:24).
 
diff --git a/src/alfusage.c b/src/alfusage.c
index 5c49d88..a3eb8f5 100644
--- a/src/alfusage.c
+++ b/src/alfusage.c
@@ -3,6 +3,7 @@ const char *usage_msg[] = {
 	"  -A: convert EOLs and tabs in all input files.",
 	"  -h: show this help message.",
 	"  -o: overwrite ALF file if it exists (don't create file~ backup).",
+	"  -q: quiet.",
 	"  -td: use default LZ.COM timestamps.",
 	"  -tu: use UTC timestamps.",
 	"  -tz: use zero timestamps.",