use open qw( :std :utf8 );
use experimental qw( lexical_subs );
-our $VERSION = '1.02';
+our $VERSION = '1.03';
use Getopt::Long '2.33', qw( :config gnu_getopt );
sub podexit {
=head1 NAME
-graph - append bar chart to input numbers
+barcat - graph to visualize input values
=head1 SYNOPSIS
-B<graph> [<options>] [<input>]
+B<barcat> [<options>] [<input>]
=head1 DESCRIPTION
Commonly used after counting, such as users on the current server:
- users | sed 's/ /\n/g' | sort | uniq -c | graph
+ users | sed 's/ /\n/g' | sort | uniq -c | barcat
Letter frequencies in text files:
cat /usr/share/games/fortunes/*.u8 |
perl -CO -nE 'say for grep length, split /\PL*/, uc' |
- sort | uniq -c | graph
+ sort | uniq -c | barcat
Memory usage of user processes:
- ps xo %mem,pid,cmd | graph -l40
+ ps xo %mem,pid,cmd | barcat -l40
Sizes (in megabytes) of all root files and directories:
- du -d0 -m * | graph
+ du -d0 -m * | barcat
Number of HTTP requests per day:
- cat log/access.log | cut -d\ -f4 | cut -d: -f1 | uniq -c | graph
+ cat log/access.log | cut -d\ -f4 | cut -d: -f1 | uniq -c | barcat
Any kind of database query with leading counts:
echo 'SELECT count(*),schemaname FROM pg_tables GROUP BY 2' |
- psql -t | graph -u
+ psql -t | barcat -u
Exchange rate USD/EUR history from CSV download provided by ECB:
curl https://sdw.ecb.europa.eu/export.do \
-Gd 'node=SEARCHRESULTS&q=EXR.D.USD.EUR.SP00.A&exportType=csv' |
- grep '^[12]' | graph -f',\K' --value-length=7
+ grep '^[12]' | barcat -f',\K' --value-length=7
Total population history from the World Bank dataset (XML):
curl http://api.worldbank.org/v2/country/1W/indicator/SP.POP.TOTL |
xmllint --xpath '//*[local-name()="date" or local-name()="value"]' - |
- sed -r 's,</wb:value>,\n,g; s,(<[^>]+>)+, ,g' | graph -f1
+ sed -r 's,</wb:value>,\n,g; s,(<[^>]+>)+, ,g' | barcat -f1
Movies per year from prepared JSON data:
curl https://github.com/prust/wikipedia-movie-data/raw/master/movies.json |
- jq '.[].year' | uniq -c | graph
+ jq '.[].year' | uniq -c | barcat
Pokémon height comparison:
curl https://github.com/Biuni/PokemonGO-Pokedex/raw/master/pokedex.json |
- jq -r '.pokemon[] | [.height,.num,.name] | join(" ")' | graph
+ jq -r '.pokemon[] | [.height,.num,.name] | join(" ")' | barcat
Git statistics, such commit count by year:
- git log --pretty=%ci | cut -b-4 | uniq -c | graph
+ git log --pretty=%ci | cut -b-4 | uniq -c | barcat
Or the most frequent authors:
- git shortlog -sn | graph | head -3
+ git shortlog -sn | barcat | head -3
Latency history:
- ping google.com | graph -f'time=\K' -t
+ ping google.com | barcat -f'time=\K' -t
=head1 AUTHOR