MAN page from Old RedHat 5.X perl-5.004-4.i386.rpm

SelectSaver

Section: Perl Programmers Reference Guide (3)
Updated: perl 5.004, patch 04
Index

NAME

SelectSaver - save and restore selected file handle

SYNOPSIS

    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

DESCRIPTION

A SelectSaver object contains a reference to the file handle thatwas selected when it was created. If its new method gets an extraparameter, then that parameter is selected; otherwise, the selectedfile handle remains unchanged.

When a SelectSaver is destroyed, it re-selects the file handlethat was selected when it was created.

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