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#! /usr/bin/perl
use Getopt::Long;
use warnings;
use strict;
Getopt::Long::Configure ("bundling");
my $remote = 'graal';
my $pdf2ps = 'pdftops';
my $pscrop = 'psnup2.pl -s1 -l1';
my $psresize = 'psresize';
my $psnup = 'psnup';
my $psbook = 'psbook';
my $ps2pdf = 'ps2pdf';
my ($zip,$zcat) = ('bzip2','bzcat');
my $pdfviewer = 'xpdf';
open(PAPERSIZE, "/etc/papersize")
or die "Can't open `/etc/papersize'";
my $papersize = <PAPERSIZE>;
chomp $papersize
or die "Can't read `/etc/papersize/";
close PAPERSIZE;
my $nup = 1;
my $margin = 1;
#TODO: units
my $crop;
my $book;
GetOptions( "nup|n=i" => \$nup,
"1" => sub { $nup = 1 },
"2" => sub { $nup = 2 },
"4" => sub { $nup = 4 },
"8" => sub { $nup = 8 },
"crop|c" => \$crop,
"book|b" => \$book,
"paper|p=s" => \$papersize,
"margin|m=s" => \$margin );
die "I can handle only one file at the same time :P"
if $#ARGV > 0;
my $filename = $ARGV[0];
$filename = "-" unless defined $filename;
my $filename2 = $filename;
$filename2 = "(stdin)" if $filename eq "-";
for (my $n = $nup; $n > 1; $n /= 2) {
die "nup should be a power of two"
unless $n % 2 == 0;
}
#Note: $margin is ignored if $crop is unset
$margin = 0 unless defined $crop;
$margin /= 2;
$remote = "localhost"
if $remote eq `hostname` || $remote eq "127.0.0.1";
open(FILE, $filename)
or die "Can't read `$filename'";
my $filetype;
my $line = <FILE>;
if (defined $line && $line =~ /%!PS.*/) {
$filetype = "PS";
} elsif (defined $line && $line =~ /%PDF.*/) {
$filetype = "PDF";
} else {
die "Can't recognize the type of `$filename2'";
}
close(FILE);
my $command = "";
#TODO: better do forget stdin, I guess
if ($filename eq "-" && $filetype eq "PDF") {
$command.="cat - > /tmp/pouf.pdf";
system $command;
}
if ($filetype eq "PDF") {
$command .= "$pdf2ps $filename - | ";
} else {
$command .= "cat $filename | ";
}
if ($remote eq "localhost") {
$command .= "cat > /tmp/paf.ps; ";
} else {
$command .= "$zip | ssh $remote \"$zcat - > /tmp/paf.ps; ";
}
#$command .= "$psresize -p$papersize /tmp/paf.ps | ";
# useless, since the argument of $pscrop has to be seekable
if (defined $crop) {
$command .= "$pscrop -m$margin /tmp/paf.ps | ";
} else {
$command .= "cat /tmp/paf.ps | ";
}
$command .= "$psnup -p$papersize -m${margin}cm -$nup | ";
$command .= "$psbook | " if defined $book;
$command .= "$ps2pdf -sPAPERSIZE=$papersize - - ";
$command .= "| $zip\" | $zcat " if ($remote ne "localhost");
$command .= "> /tmp/pouf.pdf";
print "$command", "\n";
system $command;
system ($pdfviewer, "/tmp/pouf.pdf");
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