IFS=: read x y z << EOF
:::
EOF
recho $x
recho "$x"
recho $y
recho "$y"
recho $z
recho "$z"

if [ -z "$x" ]; then
	echo FOO
else
	echo BAR
fi

IFS=: read -a A << EOF
:::
EOF

recho ${A[0]}
recho "${A[0]}"

recho ${#A[@]}

recho "${A[@]}"

if [ -z "${A[0]}" ]; then
	echo FOO
else
	echo BAR
fi

echo -n ${A[0]} | cat -vet
echo -n ${A[0]} | wc | ( IFS=$' \t\n' ;  while read line; do echo $line; done; )