lib:SelectSaver
See the current Perl documentation for lib:SelectSaver.
Here is our local, out-dated (pre-5.6) version:
SelectSaver - save and restore selected file handle
use SelectSaver;
{ my $saver = new SelectSaver(FILEHANDLE); # FILEHANDLE is selected } # previous handle is selected
{ my $saver = new SelectSaver; # new handle may
A
SelectSaver
object contains a reference to the file handle that was selected when it was created. If itsnew
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.