I see no reason to

I'd just do 

while(<FH>) {
    push @required, $_ if /^abcde.*partname$/;
}

[download]
or, if that's all you do with those lines: 
while(<FH>) {
    print C if /^abcde.*partname$/;
}

[download]

In reply to Re: looking for speed!! large file search and extract by bart
in thread looking for speed!! large file search and extract by smbs

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