Shellwords is a thin wrapper around the shellwords.pl package, which
comes preinstalled with Perl. This module imports a single subroutine,
shellwords(). The shellwords() routine parses lines of text and
returns a set of tokens using the same rules that the Unix shell does
for its command-line arguments. Tokens are separated by whitespace,
and can be delimited by single or double quotes. The module also
respects backslash escapes.
