progress-bar

#!/usr/bin/env bash

BATCHSIZE=1

progress-bar() {
	local current=$1
	local len=$2

	local bar_char='|'
	local empty_char=' '
	local length=50
	local perc_done=$((current * 100 / len))
	local num_bars=$((perc_done * length / 100))

	local i
	local s='['
	for ((i = 0; i < num_bars; i++)); do
		s+=$bar_char
	done
	for ((i = num_bars; i < length; i++)); do
		s+=$empty_char
	done
	s+=']'

	echo -ne "$s $current/$len ($perc_done%)\r"
}

process-files() {
	local files=("$@")

	sleep .01
}

shopt -s globstar nullglob

echo 'finding files'
files=(./**/*cache)
len=${#files[@]}
echo "found $len files"

for ((i = 0; i < len; i += BATCHSIZE)); do
	progress-bar "$((i+1))" "$len"
	process-files "${files[@]:i:BATCHSIZE}"
done
progress-bar "$len" "$len"

echo

code/2025-08-21-progress-bar/progress-bar
https://github.com/bahamas10/ysap/blob/574c31656361c675ad7a18839ea1612218fc0be4/code/2025-08-21-progress-bar/progress-bar

• https://www.youtube.com/embed/U4CzyBXyOms?si=8EOJbEPcHQ4XiKc3

<iframe width="560" height="315" src="https://www.youtube.com/embed/U4CzyBXyOms?si=8EOJbEPcHQ4XiKc3" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>