File cups-pipe.pl of Package cups-backends

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File cups-pipe.pl of Package cups-backends

#!/usr/bin/perl -w

#
# CUPS backend for printing to any program via pipe
#
# Copyright (c) 2003 SuSE Linux AG, Nuernberg, Germany.
#
# Author: Jiri Srain <jsrain@suse.cz>, 2003
#

$scheme = "pipe";

if (@ARGV == 0)
{

print "file $scheme \"Unknown\" \"Printing to any command via pipe\"\n";
   exit 0;
}

# in case of wrong number of arguments: print usage hint
if (@ARGV != 5 && @ARGV != 6)
{
   print STDERR "
Usage: pipe job-id user title copies options [file]
       example for device-URI: 'pipe:/path/to/targetcommand'

Install a printqueue with 'lpadmin -p <pipe-printer-name>
-v pipe:/</path/to/targetcommand> -E

";
   exit 1;
}

if (defined ($ARGV[5]))
{
    $file = $ARGV[5];
}
else
{
    $file = "-";
}

# get file to which the job is "printed" from device URI, so
# so that you can use this backend multiple times, for various
# "pipe" printers...

$uri = $ENV{"DEVICE_URI"};

$arg = $uri;
$arg =~ s/$scheme:(.*)/$1/;

$cmdln = "/bin/cat $file | $arg";

if ($> == 0)
{
    $cmdln = "su -c \"$cmdln \" lp";
}

my $exit = system ($cmdln);
if ($exit != 0)
{
    print STDERR "ERROR: Error occurred while executing $cmdln";
}
exit $exit >> 8;

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File cups-pipe.pl of Package cups-backends

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