# tcsh
-string 'foo\
bar'

##</code><code>##

# POSIX sh, ksh, bash, dash
-string 'foo
bar'

##</code><code>##

# POSIX sh, ksh, bash, dash
-string "$( printf 'foo\nbar' )"

##</code><code>##

# bash
-string $'foo\nbar'