SelectSaver(3p) Perl Programmers Reference Guide SelectSaver(3p)
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 be selected, or not
}
# previous handle is selected
A "SelectSaver" object contains a reference to the file han-
dle 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 v5.8.8 2005-02-05 1
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