SelectSaver(3perlPerl Programmers Reference GuiSelectSaver(r)



NAME
       SelectSaver - save and restore selected file handle

SYNOPSIS
           use SelectSaver;

           {
              my $saver = new SelectSaver(r);
              # 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.



perl v5.6.1                 2001-02-23         SelectSaver(r)