38 lines
1.2 KiB
Perl
Executable file
38 lines
1.2 KiB
Perl
Executable file
#!/usr/bin/perl
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# Copyright (C) 2010, Bradley M. Kuhn
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#
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# This program gives you software freedom; you can copy, modify, convey,
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# and/or redistribute it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program in a file called 'GPLv3'. If not, write to the:
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# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor
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# Boston, MA 02110-1301, USA.
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use strict;
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use warnings;
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my %history;
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my $time;
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while (my $line = <>) {
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chomp $line;
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if ($line =~ /^#\s*(\d+)/) {
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$time = $1;
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} else {
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$history{$time} = {} if not defined $history{$time};
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$history{$time}{$line} = 1;
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}
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}
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foreach my $key (sort { $a <=> $b } keys %history) {
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foreach my $cmd (sort {$a cmp $b } keys %{$history{$key}}) {
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print "#$key\n$cmd\n";
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}
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}
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