bar.sh

#!/usr/bin/env zsh
# -*- coding: UTF8 -*-

# Author: Guillaume Bouvier -- guillaume.bouvier@pasteur.fr
# https://research.pasteur.fr/en/member/guillaume-bouvier/
# 2020-01-10 16:20:44 (UTC+0100)

# Simple bar chart plotting in a terminal by reading integer from stdin

# FIELD: Field number to read the value from

if [ "$#" -ne 1 ]; then
    FIELD=1
else
    FIELD=$1
fi

cat /dev/stdin | awk -v FIELD=$FIELD '{printf $0" "; for (i=1;i<=$FIELD;i++){printf "+"};printf "\n"}'