hi there,
I am using split to separate data on a single line into 2 pieces,
then trying to store these into the hash %species with the first bit of info ($id) as a key. 
while (<MYFILE>) #this is my opened file
{
       {        
                
        next if /^\s*File/;      #remove line starting with filename

        ($id, $seq) = split;           
        push @{$species{$id}}, (split //, $seq);        
       

     }

[download]
The data is in several blocks like this:
ID1 sequence here...
ID2 sequence here...
ID3 sequence here...

ID1 sequence here...
ID2 sequence here...
ID3 sequence here...

I would like all the sequence on ID1 lines to be stored with
ID1 as the key, all the ID2 sequences in one array etc.

Also I wondered why when I use this code: 

while (($key, $sequence)=each %species)
    {
    print $key,$sequence; 
    print "\n";
    }

[download]
what I get printed is the key and then a load of numbers probably relating to where the value is stored rather than the value itself being printed.

How would I print key then value ?

Thanks a lot,
newbie

In reply to newbie hashes question by Anonymous Monk

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