Thanks a lot it worked fine, I updated it to read from a file: 
sub getInfoFromLongLine
{
    #Openning file for reading
    open(IFH,"$InputFile") || die "Can't open file: $InputFile\n";
    my $str = <IFH>;
    my @wanted_substrings = $str =~ /<A>(.*?)<\/A>/g;

 return "@wanted_substrings";
}

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In reply to Re^2: How to deal with long line by gasho
in thread How to deal with long line by gasho

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