line1
line2
n10total
n01chocoloate;more stuff
n01vanilla;more stuff
etc...

##</code><code>##

line1
line2
n10total
n01chocolate;more stuff
n01vanilla;more stuff
g total choco vanil
g ----- ----- -----
p    x     x     x

##</code><code>##

g total chocolate vanilla
g ----- --------- -------
p    x         x       x

##</code><code>##

#!/usr/bin/perl
use warnings;                       
use strict;                         
my (@text, @gcard, @pcard);         
my ($ntext, $ftext, $gtext, $ptext);
open (OUT, ">ban.test") or die "Can't open ban.test for write: $!\n";
while (<DATA>){                    
        if (/^n10/) {              
                @text = "g total"; 
                @gcard = "g -----";
                @pcard = "p    x ";
                print OUT "$_";    
        }
          elsif (/^n01/) {                    
                  $ntext = (split (/;/)) [0]; 
                  $ntext =~ s/n01//g;         
                  $ftext = substr($ntext,0,5);
                  $gtext = "-----";           
                  $ptext = "   x ";           
                  push(@text, $ftext);        
                  push(@gcard, $gtext);
                  push(@pcard, $ptext);
                  print OUT "$_";  
         }               
         else {          
         print OUT "$_"; 
         }               
                         
 }                                   
 print OUT "\n";       
 print OUT "@text\n";  
 print OUT "@gcard\n"; 
 print OUT "@pcard\n"; 
                       
 __DATA__              
line1
line2
n10total
n01chocoloate;more stuff
n01vanilla;more stuff

##</code><code>##

$x = length ($gtext);

##</code><code>##

$ftext = substr($ntext,0,$x);