soxdial: don't allow stereo/left/right after a dial string.

1 files changed, 7 insertions, 0 deletions

diff --git a/soxdial b/soxdial
index 00f874d..1efc344 100755
--- a/soxdial
+++ b/soxdial
@@ -430,6 +430,10 @@ sub parse_rate {
 	return $_;
 }
 
+sub check_stereo {
+	die "$SELF: can't enable stereo after a dial string.\n" if @sox_subcmds;
+}
+
 # main()
 if(system("sox --version > /dev/null 2>&1") != 0) {
 	die "$SELF: can't execute sox, is it installed?\n";
@@ -508,11 +512,14 @@ for ($argc = 0; $argc < @ARGV; $argc++) {
 	} elsif(/^--?s(?:ilence)?$/) {
 		push @sox_subcmds, silence_subcmd(parse_sec($ARGV[++$argc]));
 	} elsif(/^--?(?:S|stereo)$/) {
+		check_stereo();
 		$stereo = 1;
 	} elsif(/^--?(?:L|left)$/) {
+		check_stereo();
 		$right = 0;
 		$stereo = $left = 1;
 	} elsif(/^--?(?:R|right)$/) {
+		check_stereo();
 		$left = 0;
 		$stereo = $right = 1;
 	} elsif(/^--?(?:X|random)$/) {