Flat file isn't correct! The file is actually a listing of mostly hashes with default values to be used by a menu. The user of the menu makes some changes in the selections and it's these changes I want to save to disk for another process to read.

%Program fetch for example

%Program_fetch = ( "/airreba/procs"       => "Y",
                   "/reba/bin"            => "Y",
                   "/reba/onetime"        => "Y",
                   "/reba/perlib"         => "Y",
                   "/reba/shlib"          => "Y",
                   "/xcape/bin"           => "Y",
                   "/xcape/bin_util"      => "Y",
                   "/airreba/tables"      => "Y", );
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Edit: g0n - code tags