/usr/share/perl/5.18.2/SelectSaver.pod is in perl-doc 5.18.2-2ubuntu1.7.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | =head1 NAME
SelectSaver - save and restore selected file handle
=head1 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
=head1 DESCRIPTION
A C<SelectSaver> object contains a reference to the file handle that
was selected when it was created. If its C<new> method gets an extra
parameter, then that parameter is selected; otherwise, the selected
file handle remains unchanged.
When a C<SelectSaver> is destroyed, it re-selects the file handle
that was selected when it was created.
=cut
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