I think I am getting it now, thank you

Final question for clarity's sake: in the end I have to manually enter each nucleotide, am I understanding this right? In other words I can't be lazy and store several DNA files I downloaded online into arrays and then operate on them. For each of my array I have to manually type the nucleotide sequences in myself or copy+paste them in

below I includes 2 examples of what I mean, in the first example I manually stored the nucleotides into arrays, and everything works. In the second example the nucleotides are stored into arrays via filehandler and things do not work (in the way I want)

this will splice the 2 arrays together in whatever fashion I want 

 #!/usr/bin/perl -w

@DNA3 = qw(A T C C A T G C);

@DNA4 = qw(G C C G A A T T A);

splice (@DNA3, 1, 0, @DNA4);

print @DNA3, "\n";

exit;

[download]

this will not work, I cannot use this to splice 2 arrays together 

 #!/usr/bin/perl -w

$DNA3file = 'testDNA3';

open(DNA3handle, $DNA3file);

@DNA3 = <DNA3handle>;

$DNA4file = 'testDNA4';

open(DNA4handle, $DNA4file);

@DNA4 = <DNA4handle>;

splice (@DNA3, 1, 0, @DNA4);

print @DNA3, "\n";

exit;

[download]

In reply to Re^2: Splice an array into another array by Smeb
in thread Splice an array into another array by Smeb

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