#!/bin/bash

MAX_COLS=$(stty -a | tr -s ';' '\n' | grep "column" | sed s/'[^[:digit:]]'//g)

PB_CHAR="#"
PB_OFFSET=7
PB_REAL_COLS=$(($MAX_COLS-$PB_OFFSET))
PB_BOUNCE[1]=' |*---'
PB_BOUNCE[2]=' |-*--'
PB_BOUNCE[3]=' |--*-'
PB_BOUNCE[4]=' |-*--'

function progressbar_bounce() {
    II=$1
    echo -ne "${PB_BOUNCE[I]} \r"
    sleep 0.1
}

function progressbar_step() {
    PB_VALUE=$1
    V=$((($PB_VALUE*100)/$TOTAL_STEPS))
    NCHAR=$((($V*$PB_REAL_COLS)/100))
    for((j=0; j<$NCHAR; j++)); do
        PB_BAR="$PB_BAR$PB_CHAR"
    done
    PB_PERC=$(printf "[%3d%%] " $V)
    echo -ne "$PB_PERC$PB_BAR\r"
}