SelectSaver(3pm) - phpMan

SelectSaver(3pm)                 Perl Programmers Reference Guide                SelectSaver(3pm)



NAME
       SelectSaver - save and restore selected file handle

SYNOPSIS
           use SelectSaver;

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

           {
              my $saver = SelectSaver->new;
              # 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.



perl v5.16.3                                2013-02-26                           SelectSaver(3pm)

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