Read one line of standard input, and assign each word to
variable, with all leftover words assigned to last variable. If
only one variable is specified, the entire line will be assigned to
that variable. See example below and under case.
The return status is 0 unless
EOF is reached.
read first last addressSarah Caldwell 123 Main Street $
echo "$last, $first\n$address"Caldwell, Sarah 123 Main Street