/usr/share/polymake/scripts/tarballs is in polymake-common 3.2r2-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | # Copyright (c) 1997-2018
# Ewgenij Gawrilow, Michael Joswig (Technische Universitaet Berlin, Germany)
# http://www.polymake.org
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2, or (at your option) any
# later version: http://www.gnu.org/licenses/gpl.txt.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#-------------------------------------------------------------------------------
#
# Creation and reading tarballs containing polymake Objects
use Archive::Tar;
# usage: pack_tarball fpack_archive("tarfilename", Object, ...);
sub pack_tarball {
my $filename=shift;
replace_special_paths($filename);
my $compressed=1;
if ($filename =~ /\.tar$/) {
$compressed=0;
} elsif ($filename !~ /\.(?:tar\.gz|tgz)$/) {
$filename .= ".tar.gz";
}
my $ar=new Archive::Tar();
my $unnamed="unnamed_0";
foreach my $object (@_) {
$ar->add_data(($object->name // ++$unnamed).".".$object->default_file_suffix, $object->toXMLstring);
}
$ar->write($filename, $compressed);
}
# usage: @object_list=unpack_tarball("tarfilename", "name", ...);
# "name" arguments are optional; they constrain the output to archive members matching the given names.
sub unpack_tarball {
my $filename=shift;
replace_special_paths($filename);
my $compressed= $filename =~ /\.(?:tar\.gz|tgz)$/;
my $ar=new Archive::Tar($filename, $compressed);
if (my @files=$ar->get_files(@_)) {
map {
my $obj=Core::Object->fromXMLstring($_->get_content);
$obj->name //= $_->name ;
$obj
} @files;
} else {
die "no matching archive members found\n";
}
}
# Local Variables:
# mode: perl
# cperl-indent-level:3
# indent-tabs-mode:nil
# End:
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