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DiBona Don't ask to ask, just ask  Re^5: trouble with regular
expressions  by ysth (Canon) on Nov 06, 2012 at 18:14 UTC
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to Re^4: trouble with regular expressions in thread trouble with
regular expressions  You can't do what you are trying to do with
the file...unless you write out exactly the same number of
characters as were there before. Usually instead you open a new
file, write out all the lines (whether changed or unchanged) to
it, then rename it to replace the existing file. For a quick
script operating on only small files, you could use Tie::File to
automate most of this for you.   Comment on Re^5: trouble with
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