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 v5.24.0 2015-10-14 SelectSaver(3pm)
perl 5.24 - Generated Mon Nov 21 19:09:20 CST 2016