bash progress bar

progress_bar.sh

#!/bin/bash

progress_bar() {
    current=$1
    total=$2
    
    progress=$(($current * 100 / ${total}))
    
    bar="$(yes '#' | head -n ${progress} | tr -d '\n')"
    if [ -z "$bar" ]; then
        bar='_'
    fi

    printf "\r[%-100s] (%d/%d)" ${bar} ${current} ${total}
}

echo "[Start]"
total=100
for i in $(seq 1 ${total}); do
    progress_bar $i $total

    sleep 0.05
done

echo ""
echo "[Finish]"