a=7
echo 'abcdefg|xyz' | {
	read -d '|' a 
	echo a = "${a-unset}"
}

echo xyz 123 | {
	read -d ' ' a
	echo a = "${a-unset}"
}

echo xyz 123 | {
	read -d $'\n' a
	echo a = -"${a-unset}"-
}

a=44
echo abcd | {
	read -d d a
	echo a = $a
}

exit 0