76 lines
1.4 KiB
Plaintext
76 lines
1.4 KiB
Plaintext
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#!/bin/bash
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: <<=cut
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=pod
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=head1 NAME
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mirrorpdf - Mirror PDF horizontally
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=head1 SYNOPSIS
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B<mirrorpdf> I<file.pdf>
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=head1 DESCRIPTION
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B<mirrorpdf> mirrors the pages of a PDF-file. Output is in
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I<file>_mirror.pdf.
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=head1 EXAMPLE
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Mirror pages of foo.pdf:
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mirrorpdf foo.pdf
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=head1 AUTHOR
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Copyright (C) 2018 Ole Tange,
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http://ole.tange.dk and Free Software Foundation, Inc.
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=head1 LICENSE
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Copyright (C) 2012 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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at your option any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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=head1 DEPENDENCIES
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B<mirrorpdf> uses B<pdf2ps>, B<pstops>, B<pdftk>, and B<ps2pdf>.
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=head1 SEE ALSO
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B<man>
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=cut
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mirror() {
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tmp=`mktemp /tmp/mirpdfXXXXX`
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pdf2ps "$1" - |
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# Flip both horizontally and vertically
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pstops H |
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ps2pdf - $tmp
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# Flip both horizontally and vertically
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pdftk $tmp cat 1-endnorth output "$2"
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rm $tmp
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}
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export -f mirror
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parallel mirror {} {.}_mirror.pdf ::: "$@"
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