[2a2f76c] | 1 | #!/usr/bin/perl |
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| 2 | |
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[6b7441a] | 3 | # This script was largely written by Jessica Hamrick (jhamrick), with |
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| 4 | # help from Kyle Brogle (broglek) |
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[2a2f76c] | 5 | |
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| 6 | use strict; |
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| 7 | use warnings; |
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| 8 | |
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[a81397c] | 9 | use Net::CUPS; |
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| 10 | use Net::CUPS::Destination; |
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[7cdd65d] | 11 | use Getopt::Long; |
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[a81397c] | 12 | |
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[7cdd65d] | 13 | my $usage = "Usage: gbq [-q QUEUE] ID\n"; |
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| 14 | my $q = ""; |
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| 15 | GetOptions ('q|queue=s' => \$q); |
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[2a2f76c] | 16 | |
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[7cdd65d] | 17 | my @ids = @ARGV[0 .. $#ARGV]; |
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[2a2f76c] | 18 | |
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[6b7441a] | 19 | # if the -q option is not specified, then assume we're using the |
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| 20 | # default queue |
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[7cdd65d] | 21 | if (!$q){ |
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| 22 | $q = "DEFAULT"; |
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| 23 | } |
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[6b7441a] | 24 | |
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| 25 | # if there are no ids specified to remove, then print the usage |
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[7cdd65d] | 26 | if (!@ids) { |
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[2a2f76c] | 27 | print $usage; |
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| 28 | exit 1 |
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| 29 | } |
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| 30 | |
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[6b7441a] | 31 | # set configuration path, and complain if it doesn't exist |
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[2a2f76c] | 32 | my $configpath = "$ENV{'HOME'}/.gutenbach/$q"; |
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[85a1ac1] | 33 | if (! -e $configpath) { |
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[0d02eca] | 34 | print "Queue '$q' does not exist! Did you forget to add it with 'gutenbach-client-config'?\n"; |
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[85a1ac1] | 35 | exit 1; |
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| 36 | } |
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| 37 | |
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[6b7441a] | 38 | # initialize the host and queue variables: host holds the address for |
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| 39 | # the machine on which the remote queue runs, and queue holds the name |
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| 40 | # of the printer |
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[2a2f76c] | 41 | my ($host, $queue); |
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| 42 | |
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[6b7441a] | 43 | # load the configuration file (this will set $host and $queue) |
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[2a2f76c] | 44 | if (-r $configpath) { |
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| 45 | local $/; |
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| 46 | my $fh; |
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| 47 | open $fh, $configpath; |
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| 48 | eval <$fh>; |
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| 49 | } |
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| 50 | |
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[6b7441a] | 51 | # initialize a new CUPS session |
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[b58aada] | 52 | my $cups = Net::CUPS->new(); |
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[6b7441a] | 53 | # set the server to the one specified in the config file |
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[b58aada] | 54 | $cups->setServer("$host"); |
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[6b7441a] | 55 | # set the printer name to the one specified in the config file |
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[b58aada] | 56 | my $printer = $cups->getDestination("$queue"); |
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[6b7441a] | 57 | |
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| 58 | # if $printer is not defined, then throw an error |
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[9fdf4a1] | 59 | unless( $printer){ |
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| 60 | print "Cannot access queue $q...do you have network connectivity and permission to view the queue?\n"; |
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| 61 | exit 1; |
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| 62 | } |
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[6b7441a] | 63 | |
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| 64 | # get the list of jobs from the printer |
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[b58aada] | 65 | my @jobs = $printer->getJobs(0, 0); |
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[6b7441a] | 66 | |
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| 67 | # for each id that we want to remove |
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[335786f] | 68 | foreach my $id(@ids){ |
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[6b7441a] | 69 | |
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| 70 | # if the id is 'all', then we remove all jobs |
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| 71 | if ($id eq "all") { |
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| 72 | foreach $id(@jobs) { |
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| 73 | cancel_job($id, $printer); |
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| 74 | } |
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| 75 | } |
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| 76 | |
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| 77 | # if the id is 'current', then we remove just the currently |
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| 78 | # playing job |
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| 79 | elsif ($id eq "current") { |
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| 80 | $id = $jobs[0]; |
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[d768767] | 81 | cancel_job($id, $printer); |
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[b58aada] | 82 | } |
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[6b7441a] | 83 | |
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| 84 | # if the id is 'last', then we remove just the last job |
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| 85 | elsif ($id eq "last") { |
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| 86 | $id = $jobs[-1]; |
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| 87 | cancel_job($id, $printer); |
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| 88 | } |
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| 89 | |
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| 90 | # otherwise, remove the job based on its actual (numeric) id |
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| 91 | else { |
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| 92 | foreach my $item(@jobs) { |
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| 93 | if($item =~ /$id/){ |
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| 94 | cancel_job($item, $printer); |
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| 95 | } |
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[335786f] | 96 | } |
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| 97 | } |
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| 98 | } |
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[d768767] | 99 | |
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[6b7441a] | 100 | # helper function to remove a job |
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[d768767] | 101 | sub cancel_job { |
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[6b7441a] | 102 | # get the id and printer from the arguments |
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[d768767] | 103 | my ($id, $printer) = @_; |
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[6b7441a] | 104 | # get the reference to the job |
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[d768767] | 105 | my $job_ref = $printer->getJob($id); |
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[6b7441a] | 106 | # find the job title (so we can print it out for the user) |
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[d768767] | 107 | my $title = $job_ref->{'title'}; |
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[6b7441a] | 108 | # cancel the job |
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[b58aada] | 109 | $printer->cancelJob($id); |
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[d768767] | 110 | |
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[6b7441a] | 111 | # print out that we canceled the job |
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[d768767] | 112 | print "Canceled job '$title' (id $id)\n"; |
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[2a2f76c] | 113 | } |
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