perseus [gm] 22:26 /home/gm > perl -v

This is perl, v5.6.1 built for i386-openbsd

Copyright 1987-2001, Larry Wall

Perl may be copied only under the terms of either the Artistic License or the
GNU General Public License, which may be found in the Perl 5 source kit.

Complete documentation for Perl, including FAQ lists, should be found on
this system using `man perl' or `perldoc perl'.  If you have access to the
Internet, point your browser at http://www.perl.com/, the Perl Home Page.

perseus [gm] 22:26 /home/gm > perl
foreach my $thing (qw/foo bar baz/) {
   print "$thing -> ";
   my $c = chop ${\$thing};
   print " $thing,$c\n";
}
Modification of a read-only value attempted at - line 3.
foo -> perseus [gm] 22:26 /home/gm >