For shame, no one has mentioned IO::All? 
my $file = io('file')->slurp;
$file =~ s/change/s/;
$file > io('file');

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In reply to Re: Is there exist a module to provide access to a file via hashes using TIE ? by BUU
in thread Is there exist a module to provide access to a file via hashes using TIE ? by Courage

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