#!/bin/sh

END=170
MAX_LEN=60

progressbar(){
    bar_len=`echo "$MAX_LEN * $1/1" | bc`
    printf "["
    if [ $bar_len -gt 0 ]; then
        for i in `seq $bar_len`; do
            printf "="
        done
    fi
    if [ $bar_len -lt $MAX_LEN ]; then
        printf ">"
    else
        printf ""
    fi
    w_len=`expr $MAX_LEN - $bar_len`
    if [ $w_len -gt 0 ]; then
        for i in `seq $w_len`; do
            printf " "
        done
    elif [ $w_len -eq 0 ]; then
        printf "="
    fi
    per=`echo "scale=3; $1 * 100" | bc`
    printf "]  $per %% \r"
}

for i in `seq $END`
do
    progress=`echo "scale=5; $i / $END " | bc`
    progressbar $progress
done
echo ""