Perl5 リファレンス



       format  Declare a picture format for use by the `write'
               function.  For example:

                   format Something =
                       Test: @<<<<<<<< @||||| @>>>>>
                             $str,     $%,    '$' . int($num)
                   .

                   $str = "widget";
                   $num = $cost/$quantity;
                   $~ = 'Something';
                   write;

               See the perlform manpage for many details and
               examples.



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