#!/usr/bin/perl -w
-# Copyright © 2001-2011 Jamie Zawinski <jwz@jwz.org>.
+# Copyright © 2001-2013 Jamie Zawinski <jwz@jwz.org>.
#
# Permission to use, copy, modify, distribute, and sell this software and its
# documentation for any purpose is hereby granted without fee, provided that
use strict;
my $progname = $0; $progname =~ s@.*/@@g;
-my $version = q{ $Revision: 1.21 $ }; $version =~ s/^[^0-9]+([0-9.]+).*$/$1/;
+my $version = q{ $Revision: 1.22 $ }; $version =~ s/^[^0-9]+([0-9.]+).*$/$1/;
my $tmpdir = $ENV{TMPDIR} || "/tmp";
my $tmpfile = sprintf("%s/xssv.%08x.ppm", $tmpdir, rand(0xFFFFFFFF));
-my $verbose = 0;
-my $use_stdout_p = 0;
-my $return_filename_p = 0;
+my $verbose = 0;
# These are programs that can be used to grab a video frame. The first one
print STDERR "$progname: executing \"$cmd\"\n" if ($verbose);
system ($cmd);
- if (-z $tmpfile)
- {
- unlink $tmpfile;
- error ("\"$cmd\" produced no data.");
- }
-
- if ($return_filename_p) {
- print STDERR "$progname: wrote \"$tmpfile\"\n" if ($verbose);
- print STDOUT "$tmpfile\n";
-
- } elsif ($use_stdout_p) {
- my $ppm = "";
- my $reader = "<$tmpfile";
-
- # horrid kludge for SGIs, since they don't use PPM...
- if ($cmd =~ m/^vidtomem\s/) {
- $reader = "sgitopnm $tmpfile";
- $reader .= " 2>/dev/null" if ($verbose <= 1);
- $reader .= " |";
- }
-
- open (my $in, $reader) || error ("reading $tmpfile: $!");
- print STDERR "$progname: reading $tmpfile\n" if ($verbose > 1);
- local $/ = undef; # read entire file
- $ppm = <$in>;
- close $in;
- unlink $tmpfile;
- print STDOUT $ppm;
-
- } else {
-
- $cmd = "xscreensaver-getimage-file";
- $cmd .= " --verbose" if ($verbose);
- $cmd .= " $tmpfile";
-
- print STDERR "$progname: executing \"$cmd\"\n" if ($verbose);
- system ($cmd);
-
+ if (! -s $tmpfile) {
unlink $tmpfile;
+ error ("\"$cmd\" produced no data.");
}
+
+ print STDERR "$progname: wrote \"$tmpfile\"\n" if ($verbose);
+ print STDOUT "$tmpfile\n";
}
sub main() {
while ($_ = $ARGV[0]) {
shift @ARGV;
- if ($_ eq "--verbose") { $verbose++; }
- elsif (m/^-v+$/) { $verbose += length($_)-1; }
- elsif (m/^--?stdout$/) { $use_stdout_p = 1; }
- elsif (m/^--?name$/) { $return_filename_p = 1; }
- elsif (m/^-./) { usage; }
- else { usage; }
+ if (m/^--?verbose$/s) { $verbose++; }
+ elsif (m/^-v+$/s) { $verbose += length($_)-1; }
+ elsif (m/^--?name$/s) { } # ignored, for compatibility
+ elsif (m/^-./) { usage; }
+ else { usage; }
}
-
grab_image();
}