:full

Searches for charnames in the list of standard Unicode character names

:short

Searches for charnames in the specified script, with the \N escape expected to be of the form \N{script:charname}

scriptname

Searches for all charnames in script scriptname

For example:

#!/usr/local/bin/perl -w

use charnames ':short';
print "\N{greek:Sigma} is an upper-case sigma.\n";

8.40. CGI::Switch		8.42. Class::ISA