69 lines
2.0 KiB
Diff
69 lines
2.0 KiB
Diff
diff --git a/editor/ppmfade b/editor/ppmfade
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index 8eb094f..adcdb6d 100755
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--- a/editor/ppmfade
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+++ b/editor/ppmfade
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@@ -60,7 +60,6 @@ my $base_name = "fade"; # default base name of output files
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my $image = "ppm"; # default output storage format
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my $mode = $SPREAD; # default fading mode
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-
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my $n; # argument number
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for ($n = 0; $n < @ARGV; $n++) {
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@@ -70,7 +69,7 @@ for ($n = 0; $n < @ARGV; $n++) {
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if (-e $first_file) {
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} else {
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print "I can't find first file '$first_file'\n";
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- exit 20;
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+ exit 1;
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}
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} elsif ($ARGV[$n] eq "-l") {
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$n++;
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@@ -78,7 +77,7 @@ for ($n = 0; $n < @ARGV; $n++) {
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if (-e $last_file) {
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} else {
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print "I can't find last file '$last_file'\n";
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- exit 20;
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+ exit 1;
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}
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} elsif ($ARGV[$n] eq "-base") {
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$n++;
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@@ -99,11 +98,12 @@ for ($n = 0; $n < @ARGV; $n++) {
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$mode = $BLOCK;
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} elsif ("$ARGV[$n]" eq "-mix") {
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$mode = $MIX;
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- } elsif ($ARGV[$n] eq "-help" || $ARGV[$n] eq "-h") {
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- usage();
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+ } elsif ($ARGV[$n] eq "-help" || $ARGV[$n] eq "--help" || $ARGV[$n] eq "-h") {
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+ print "ppmfade: Use 'man ppmfade' for help.\n";
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+ exit 1;
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} else {
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print "Unknown argument: $ARGV[$n]\n";
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- exit 100;
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+ exit 1;
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}
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}
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#
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@@ -122,18 +122,18 @@ if ($first_file ne "undefined") {
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$width = $1; $height = $2;
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} else {
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print("Unrecognized results from pnmfile on $first_file.\n");
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- exit(50);
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+ exit(1);
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}
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} elsif ($last_file ne "undefined") {
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if ((`pnmfile $last_file` =~ m{\b(\d+)\sby\s(\d+)} )) {
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$width = $1; $height = $2;
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} else {
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print("Unrecognized results from pnmfile on $first_file.\n");
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- exit(50);
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+ exit(1);
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}
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} else {
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print("ppmfade: You must specify -f or -l (or both)\n");
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- exit(90);
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+ exit(1);
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}
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print("Frames are " . $width . "W x " . $height . "H\n");
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