/usr/bin/tab2graph is in libtext-recordparser-perl 1.5.0-1.
This file is owned by root:root, with mode 0o755.
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 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 | #!/usr/bin/env perl
use strict;
use warnings;
use version;
use English qw( -no_match_vars );
use File::Basename;
use Getopt::Long;
use GraphViz;
use List::Util qw( max );
use Pod::Usage;
use Readonly;
use Scalar::Util qw( openhandle );
use Text::RecordParser;
Readonly our $VERSION => 1.01;
my $add_color = 0;
my $fields = '';
my $fs = qq{\t};
my $is_directed = 0;
my $layout = 'circo';
my $out_file = '';
my $out_format = 'png';
my $rs = qq{\n};
my $show_numbers = 0;
my ( $help, $man_page, $show_version );
GetOptions(
'c|color' => \$add_color,
'd|directed' => \$is_directed,
'format:s' => \$out_format,
'fs:s' => \$fs,
'f|fields:s' => \$fields,
'help' => \$help,
'l|layout:s' => \$layout,
'man' => \$man_page,
'n|numbers' => \$show_numbers,
'o|out:s' => \$out_file,
'rs:s' => \$rs,
'version' => \$show_version,
) or pod2usage;
if ( $help || $man_page ) {
pod2usage({
-exitval => 0,
-verbose => $man_page ? 2 : 1
});
};
if ( $show_version ) {
my $prog = basename( $PROGRAM_NAME );
print "$prog $VERSION\n";
exit 0;
}
if ( !@ARGV ) {
pod2usage('No input files');
}
elsif ( @ARGV > 1 ) {
pod2usage('Too many input files');
}
my %field_filter = map { $_, 1 } split( /\s*,\s*/, $fields );
my $file = shift @ARGV;
my $p = Text::RecordParser->new(
filename => $file,
field_separator => $fs,
record_separator => $rs,
trim => 1,
);
my $g = GraphViz->new(
directed => $is_directed,
layout => $layout,
bgcolor => $add_color ? 'lightgoldenrodyellow' : 'white',
no_overlap => 1,
node => {
style => 'filled',
fillcolor => 'white',
}
);
my @cols = $p->field_list;
my %col_pos;
for my $i ( 1..$#cols ) { # skip first col
my $col_name = $cols[ $i ];
if ( %field_filter ) {
next unless $field_filter{ $col_name };
}
$g->add_node( $col_name );
$col_pos{ $i } = $col_name;
}
my $records = $p->fetchall_arrayref;
my @edges;
for my $data ( @$records ) {
my $node_name = $data->[0];
$g->add_node( $node_name );
for my $i ( 1..$#cols ) {
my $val = $data->[ $i ] or next;
my $col = $col_pos{ $i } or next;
if ( %field_filter ) {
next unless defined $field_filter{ $col };
}
if ( $val =~ /^\d+$/ && $val > 0 ) {
push @edges, [ $cols[ $i ], $node_name, $val ];
}
}
}
my $max_val = max( map { $_->[-1] } @edges );
for my $edge ( @edges ) {
my $val = $edge->[-1];
my $weight = ( $val / $max_val ) * .5;
$g->add_edge(
$edge->[0], $edge->[1],
$show_numbers ? ( label => $val ) : (),
weight => $weight,
);
}
my $method = join '', 'as_', lc $out_format;
if ( $out_file ) {
open my $fh, '>', $out_file or die "Can't write '$out_file': $!\n";
binmode $fh;
print $fh $g->$method;
close $fh;
my $basename = basename( $out_file );
print STDERR qq[Image created "$basename."\n];
}
else {
print $g->$method;
}
__END__
# -------------------------------------------------------------------
=pod
=head1 NAME
tab2graph - turn tabular data into a graph
=head1 SYNOPSIS
tab2graph [options] file.tab
Options:
-c|--color Add some color to the output (default is white)
-d|--directed Make graph directed (default is not)
-l|--layout GraphViz layout; choose from dot, neato, twopi,
circo (default), and fdp
-f|--fields Restrict to set of fields in first row
-n|--numbers Show the numbers (default is not)
-o|--out Name of output file (default is STDOUT)
--format Output format (default is PNG)
--fs=x Use "x" as the field separator (default is tab)
--rs=x Use "x" as the record separator (default is newline)
--help Show brief help and quit
--man Show full documentation
=head1 DESCRIPTION
Turns tabular data into a graph using GraphViz. This may or may not
be useful.
=head1 SEE ALSO
=over 4
=item * Text::RecordParser
=item * GraphViz
=back
=head1 AUTHOR
Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>.
=head1 LICENSE AND COPYRIGHT
Copyright (C) 2009-10 Ken Youens-Clark. All rights reserved.
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; version 2.
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.
=cut
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