#!/usr/bin/env -S bash --

mapfile -t < <(
	cat <<- EOF
	;FFMETADATA1
	EOF
	while read -r ; do
		uS='Comment out this line to untrigger the bug.'
		cat <<- EOF
		See?
		EOF
	done <<< 'ASDF'
)
printf '%s\n' "${MAPFILE[@]}"