open(READER, "file1") || die "$!";
open(WRITER, "+<file2") || die "$!";
while(<READER>) {
    chomp;
    munge($_);
    mutilate($_);
    print WRITER "$_\n";   # Note the filehandle argument to print.
}

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In reply to Re: writing files while reading files by perigeeV
in thread writing files while reading files by cal

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