Hi my code below which is sanatised and might not work here runs fine reading a file with $1 $2, ie two elements first one is key and second is value into a hash. But now I want to have more than one value I would like $1{key} $2,$3,$4 so I assume hash of arrays. 

 my $input_file = "dat.txt";
 our %dedicated;

 open(DATA, "<$input_file" ) or die;
 while ( my $line = <DATA> )
 {
   chomp $line;
   my ($a, $b) = split ' ', $line;
   $dedicated{$a} = $b;
 }
   keys %dedicated;
   while (my ($k, $v) = each %dedicated ) {
     chomp($k, $v);
     blah  }
     }
   }

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How do I change from reading in and using a hash, to a hash of arrays on a file like. names1 john,bob,stu names2 mike,john,bob names3 blah. ...... Many thanks

In reply to read a file and build HoA by sstruthe

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