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Re^8: Parsing problem

by MB123 (Initiate)
on Nov 09, 2012 at 12:31 UTC ( #1003116=note: print w/ replies, xml ) Need Help??

in reply to Re^7: Parsing problem
in thread Parsing problem

Thank you for the very informative post.

I followed your instructions and the output printed perfectly into the command line. I changed the file extensions around (to BSAC.txt and and obtained the same result - uninitialised value errors and the Number of Strains and AA Change columns were left blank.

I decided to try pasting the rest of my file under the __DATA__ part of your code. For the most part it worked as expected, but with interspersed Use of uninitialised value within %cod in string eq at line 32, <DATA> line XXX.. These lines are referring to non-synonymous mutations that code for a STOP codon, like the one below-

FT SNP 2811491 FT /note="refAllele: G SNPstrains: 7414_8#89=A (SNP codon is ST +OP) (AA Gln->STOP) " FT /colour=4
I assume this is because the code has not matched 'non' in the line. Could this also be the cause of my uninitialised value error in the original post?

Many Thanks

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Re^9: Parsing problem
by kcott (Canon) on Nov 16, 2012 at 09:02 UTC

    Your problem here is that the number after 'FT        /colour=' (in this case "4"), is used as a key for %cod but you've only assigned @cod{qw{1 2 3}}. Using the following line solved the problem for me (you'll probably want a different value):

    my %cod = ( 1 => "red", 2 => "non", 3 => "green", 4 => 'value for key +4' );

    Alternatively, you can check $cod{$1} before using it:

    if ( exists $cod{$1} and $cod{$1} eq "non" ) { printf ...

    -- Ken

Re^9: Parsing problem
by MB123 (Initiate) on Nov 10, 2012 at 12:15 UTC
    I changed all the (SNP codon is STOP) to 'non-synonymous' and have not achieved better results.

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