bareword::filehandles(3) User Contributed Perl Documentation bareword::filehandles(3)

bareword::filehandles - disables bareword filehandles

version 0.007

    no bareword::filehandles;
    open FH, $file            # dies
    open my $fh, $file;       # doesn't die
    print FH $string          # dies
    print STDERR $string      # doesn't die

This module lexically disables the use of bareword filehandles with builtin functions, except for the special builtin filehandles "STDIN", "STDOUT", "STDERR", "ARGV", "ARGVOUT" and "DATA".

Disables bareword filehandles for the remainder of the scope being compiled.

Enables bareword filehandles for the remainder of the scope being compiled.

Filetest operators ("-X") can not be checked on Perl versions before 5.32, because hooking the op check function for these breaks stacked tests, e.g. "-f -w -x $file".

perlfunc, B::Hooks::OP::Check.

Dagfinn Ilmari Mannsåker <ilmari@ilmari.org>

This software is copyright (c) 2011 - 2016 by Dagfinn Ilmari Mannsåker.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

2019-05-27 perl v5.34.0