#!/bin/bash
 
image="010101010101010101010101111111111111111111111111101111111111110011111110001010101010100101111110111111111111111111111111111110111111111110111111111101111111111011111111111111110011101111111100000000010100111111110111111111100101111111110000000001010011111111111111111100111011111111111111111111111011111111100000001111111011111100111111100111111111110111111111110111"
 
function convertImage()
{
	local inputImage="${1}"
	for char in $(seq 0 $((${#inputImage} - 1)) ); do
		#echo "\${inputImage:${char}:1}=${inputImage:${char}:1}"
		if [ ${inputImage:${char}:1} -eq 0 ]; then
			printf ' '
		else
			printf '█'
		fi
	done
}
 
function displayImage()
{
	local rows="${2}"
	local cols="${1}"
	local inputImage="${3}"
	for row in $(seq 0 $((${rows} - 1)) ); do
		#echo "row=$row"
		for col in $(seq 0 $((${cols} - 1)) ); do
			#echo "col=$col"
			local index=$((${row} * ${cols} + ${col}))
			printf "%b" "${inputImage:${index}:1}"
		done
		printf "\n"
	done
}
 
image=$(convertImage ${image})
displayImage 23 $((${#image} / 23)) ${image?}
 

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