52 lines
1.2 KiB
Perl
Executable File
52 lines
1.2 KiB
Perl
Executable File
#!/usr/bin/perl -w
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=head1 NAME
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tsplotv - plot time series given in vertical format
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=head1 DESCRIPTION
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This program expects time series data in vertical format, I.e.,
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each line contains a tripel <time, series, value>.
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=cut
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use strict;
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use TimeSeries;
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use Getopt::Long;
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my $output_format ='png';
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my $stacked = 0;
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my $legend_position = 'top right';
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GetOptions('output_format|output-format=s' => \$output_format,
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'stacked' => \$stacked,
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'legend_position|legend-position=s' => \$legend_position,
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) or die "Usage: $0 [--output_format format] [files...]\n";
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binmode STDOUT, ':raw';
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my %series;
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my $ns;
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my %data;
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my $ts = TimeSeries->new(output_format => $output_format);
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while (<>) {
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chomp;
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my ($timestamp, $series, $value) = split(/\t/);
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$series{$series} = ++$ns unless ($series{$series});
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$data{$timestamp}{$series} = $value;
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}
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my @series = sort { $series{$a} <=> $series{$b} } keys %series;
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$ts->legend(@series);
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$ts->legend_position($legend_position);
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$ts->stacked($stacked);
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for my $timestamp (sort keys %data) {
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my %d = %{$data{$timestamp}};
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my @values = @d{@series};
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$ts->add_timestring($timestamp, @values);
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}
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my $g = $ts->plot();
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print $g
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