#!/bin/bash

# A simple bash script to display a simple progress bar
## Usage example:
##
## for i in {0..14}; do
##      progress $i 14
##      # Do something
##      sleep 1
## done

# $1 = current value
# $2 = maximum value

width=$(($(tput cols)/4))
current=$1
max=$2
progress=$(echo "$current/$max" | bc -l)
hashsToDraw=$(echo "$width * $progress" | bc -l | sed 's/\..*$//')
if [ -z $hashsToDraw ]; then
        hashsToDraw=0
fi
echo -ne "\r["
for ((k=0; k<$hashsToDraw; k++)); do
        echo -ne "#"
done
for ((k=0; k<$((width-$hashsToDraw)); k++)); do
        echo -ne " "
done
echo -ne "] $current/$max"