I have a huge log file (millions of lines/records) that is parsed line by line in a script. The user can input a file containing lines that if the record contains any of those lines I skip that line. The option to input this file creates a bottleneck in my script. It takes more that 10 times as much to execute when that option is given. This is the code that I currently have: 
 
# $line is the current line
# @bypList is the array containing all lines in the skip file
sub check_bypass
{
    my $line= shift;
    my @bypList= @_;
    my $ret= 1;

    foreach(@bypList) {
      if($line=~/$_/i)
      { $ret= 0; }
    }
    return $ret;
}

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As you can see the solution that have goes through each element of the array for every line. I though about using a hash but it didn't work because it isn't an exact match so I have to run a regExp to see if the line contains any of the lines of the skip arr. How can I improve on this. Thanks!

In reply to Fast/efficient way of check if a string in an strArr is contained in a line by cpomp

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