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NAME

     SelectSaver - save and restore selected file handle



SYNOPSIS
         use SelectSaver;

         {
            my $saver = new SelectSaver(FILEHANDLE);
            # FILEHANDLE is selected
         }
         # previous handle is selected

         {
            my $saver = new SelectSaver;
            # new handle may be selected, or not
         }
         # previous handle is selected




DESCRIPTION
     A `SelectSaver' object contains a reference to the file
     handle that was selected when it was created.  If its `new'
     method gets an extra parameter, then that parameter is
     selected; otherwise, the selected file handle remains
     unchanged.

     When a `SelectSaver' is destroyed, it re-selects the file
     handle that was selected when it was created.









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Created 1996-2024 by Maxim Chirkov

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