% perl -MCGI -de '$q = new CGI "single=1&multi=1&multi=2";' -e '1;'
 
Loading DB routines from perl5db.pl version 1.0402
Emacs support available.
 
Enter h or `h h' for help.
 
main::(-e:1):   $q = new CGI "single=1&multi=1&multi=2";
  DB<1> n
main::(-e:2):   1;
  DB<1> $q->import_names('Q')
 
  DB<2> V Q
$single = 1
@single = (
   0  1
)
$multi = 1
@multi = (
   0  1
   1  2
)
  DB<3>