I am using "syslinux-1.62-375" and got the following message
$ /usr/share/syslinux/ppmtolss16 <planet.ppm
/usr/share/syslinux/ppmtolss16: Input format error 1
The file planet.ppm was created by "xv" and has the following header:
$ head -3 planet.ppm
P6
# CREATOR: XV Version 3.10a Rev: 12/29/94 (PNG patch 1.2)
640 340
Removing the comment line by a filter fixed the input error. But it
might be useful for others to modify a single line in the script to
ignore those comments there:
--- ppmtolss16.orig 2003-03-14 03:14:52.000000000 +0100
+++ ppmtolss16 2004-01-10 02:21:18.000000000 +0100
@@ -91,7 +91,7 @@
$form = <STDIN>;
die "$0: stdin is not a raw PPM file" if ( $form ne "P6\n"
);
-$sizes = <STDIN>;
+do { $sizes = <STDIN> ; } while ( $sizes =~ /^#/ );
chomp $sizes;
if ( $sizes !~ /^([0-9]+)\s+([0-9]+)\s*$/ ) {
die "$0: Input format error 1\n";
No problems after that:
# ppmtolss16 <planet.ppm >/dev/null
217600 pixels, 29076 bytes, (73.28% compression)
Andreas
.
.
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