X-Git-Url: http://git.shiar.nl/barcat.git/blobdiff_plain/6b86aaa55f57299482705d47e972c3c70676b311..4b923ab2bc237314a2e3558bd16301811ebd1898:/barcat diff --git a/barcat b/barcat index 1c567f4..2f73fa5 100755 --- a/barcat +++ b/barcat @@ -1,4 +1,4 @@ -#!/usr/bin/env perl +#!/usr/bin/perl -CA use 5.018; use warnings; use utf8; @@ -6,13 +6,9 @@ use List::Util qw( min max sum ); use open qw( :std :utf8 ); use experimental qw( lexical_subs ); -our $VERSION = '1.04'; +our $VERSION = '1.05'; use Getopt::Long '2.33', qw( :config gnu_getopt ); -sub podexit { - require Pod::Usage; - Pod::Usage::pod2usage(-exitval => 0, -perldocopt => '-oman', @_); -} my %opt; GetOptions(\%opt, 'color|c!', @@ -47,11 +43,34 @@ GetOptions(\%opt, ); }, 'markers|m=s', + 'spark:s' => sub { + $opt{spark} = [split //, $_[1] || '⎽▁▂▃▄▅▆▇█']; + }, 'stat|s!', 'unmodified|u!', 'width|w=i', - 'usage|h' => sub { podexit() }, - 'help' => sub { podexit(-verbose => 2) }, + 'usage|h' => sub { + local $/; + my $pod = readline *DATA; + $pod =~ s/^=over\K/ 22/m; # indent options list + $pod =~ s/^=item \N*\n\n\N*\n\K(?:(?:^=over.*?^=back\n)?(?!=)\N*\n)*/\n/msg; + + require Pod::Usage; + my $parser = Pod::Usage->new; + $parser->select('SYNOPSIS', 'OPTIONS'); + $parser->output_string(\my $contents); + $parser->parse_string_document($pod); + + $contents =~ s/\n(?=\n\h)//msg; # strip space between items + print $contents; + exit; + }, + 'help|?' => sub { + require Pod::Usage; + Pod::Usage::pod2usage( + -exitval => 0, -perldocopt => '-oman', -verbose => 2, + ); + }, ) or exit 64; # EX_USAGE $opt{width} ||= $ENV{COLUMNS} || 80; @@ -60,16 +79,18 @@ $opt{trim} *= $opt{width} / 100 if $opt{trimpct}; $opt{units} = [split //, ' kMGTPEZYyzafpnμm'] if $opt{'human-readable'}; $opt{anchor} //= qr/\A/; $opt{'value-length'} = 6 if $opt{units}; +$opt{'value-length'} = 1 if $opt{unmodified}; my (@lines, @values, @order); +$SIG{ALRM} = sub { + show_lines(); + alarm $opt{interval} if defined $opt{interval} and $opt{interval} > 0; +}; + if (defined $opt{interval}) { $opt{interval} ||= 1; - $SIG{ALRM} = sub { - show_lines(); - alarm $opt{interval}; - }; - alarm $opt{interval}; + alarm $opt{interval} if $opt{interval} > 0; eval { require Tie::Array::Sorted; @@ -79,6 +100,7 @@ if (defined $opt{interval}) { $SIG{INT} = sub { $SIG{INT} = 'DEFAULT'; # reset for subsequent attempts + exit if !$.; 'IGNORE' # continue after assumed eof }; @@ -90,14 +112,17 @@ while (readline) { push @order, $1 if length $1; if (defined $opt{trim} and defined $1) { my $trimpos = abs $opt{trim}; + $trimpos -= length $1 if $opt{unmodified}; if ($trimpos <= 1) { - $_ = substr $_, 0, 1; + $_ = substr $_, 0, 2; } elsif (length > $trimpos) { substr($_, $trimpos - 1) = '…'; } } push @lines, $_; + show_lines() if defined $opt{interval} and $opt{interval} < 0 + and $. % $opt{interval} == 0; } $SIG{INT} = 'DEFAULT'; @@ -164,6 +189,12 @@ sub sival { while ($nr <= $#lines) { $nr >= $opt{hidemax} and last if defined $opt{hidemax}; my $val = $values[$nr]; + + if ($opt{spark}) { + print $opt{spark}->[ ($val - $minval) / $maxval * $#{$opt{spark}} ]; + next; + } + if (length $val) { my $color = !$opt{color} ? undef : $val == $order[0] ? 32 : # max @@ -176,9 +207,11 @@ while ($nr <= $#lines) { printf '%-*s', $len + length($val), $line; print $barmark[$_] // '-' for 1 .. $size && (($values[$nr] || 0) - $minval) * $size + .5; say ''; - +} +continue { $nr++; } +say '' if $opt{spark}; } show_lines(); @@ -191,10 +224,13 @@ if ($opt{stat}) { } if (@order) { my $total = sum @order; - printf '%s total', $total; + printf '%s total', color(1) . $total . color(0); printf ' in %d values', scalar @values; - printf ' (%s min, %*.*f avg, %s max)', - $order[-1], 0, 2, $total / @order, $order[0]; + printf(' (%s min, %s avg, %s max)', + color(31) . $order[-1] . color(0), + color(36) . (sprintf '%*.*f', 0, 2, $total / @order) . color(0), + color(32) . $order[0] . color(0), + ); } say ''; } @@ -216,6 +252,12 @@ Visualizes relative sizes of values read from input (file(s) or STDIN). Contents are concatenated similar to I, but numbers are reformatted and a bar graph is appended to each line. +Don't worry, barcat does not drink and divide. +It can has various options for input and output (re)formatting, +but remains limited to one-dimensional charts. +For more complex graphing needs +you'll need a larger animal like I. + =head1 OPTIONS =over @@ -245,9 +287,10 @@ turning long numbers like I<12356789> into I<12.4M>. Also changes an exponent I<1.602176634e-19> to I<160.2z>. Short integers are aligned but kept without decimal point. -=item -t, --interval[=] +=item -t, --interval[=(|-)] -Interval time to output partial progress. +Output partial progress every given number of seconds or input lines. +An update can also be forced by sending a I alarm signal. =item -l, --length=[-][%] @@ -304,7 +347,7 @@ Total statistics after all data. =item -u, --unmodified -Do not strip leading whitespace. +Do not reformat values, keeping leading whitespace. Keep original value alignment, which may be significant in some programs. =item --value-length= @@ -316,6 +359,19 @@ Reserved space for numbers. Override the maximum number of columns to use. Appended graphics will extend to fill up the entire screen. +=item -h, --usage + +Overview of available options. + +=item --help + +Full documentation +rendered by perldoc. + +=item --version + +Version information. + =back =head1 EXAMPLES @@ -355,6 +411,11 @@ Any kind of database query with counts, preserving returned alignment: echo 'SELECT count(*),schemaname FROM pg_tables GROUP BY 2' | psql -t | barcat -u +Earthquakes worldwide magnitude 1+ in the last 24 hours: + + https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/1.0_day.csv | + column -tns, | graph -f4 -u -l80% + External datasets, like movies per year: curl https://github.com/prust/wikipedia-movie-data/raw/master/movies.json | @@ -393,7 +454,7 @@ Activity of the last days (substitute date C<-v-{}d> on BSD): ( git log --pretty=%ci --since=30day | cut -b-10 seq 0 30 | xargs -i date +%F -d-{}day ) | - sort | uniq -c | awk '$1--' | graph + sort | uniq -c | awk '$1--' | graph --spark =head1 AUTHOR