bash bar

bash_bar.sh

#!/bin/bash
#########################
#	example		#
#########################
# $ ./bash_bar.sh 60 100
#[|||||||||||||||||||||||||||||||||||||||||||||||||||||||                                       60%]
#

value=$1
width=$2
if (( $width < 7 )); then
	width="7"
fi
width=$(($width - 7))
mappedval=$(($value * $width / 100))

red='\033[0;31m'
green='\033[0;32m'
NC='\033[0m' # No Color
color="${green}"
if (( $value <= 40 )); then
	color="${red}"
fi

str="[${color}"

for (( i=0; i<$mappedval; i++ ))
do
	str="$str|"
done

for (( i=$mappedval; i<=width; i++ ))
do
	str="$str "
done

echo -e "$str$value%${NC}]"