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Attribute	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
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CPAN	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Carp	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Class	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Compress	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Config	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
DBM_Filter	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Devel	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Digest	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Encode	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Exporter	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
ExtUtils	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
File	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Filter	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Getopt	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
HTTP	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
I18N	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
IO	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
IPC	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
JSON	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Locale	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Math	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Memoize	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Module	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Net	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Params	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Parse	[ DIR ]	drwxr-xr-x	2023-07-12 09:40
Perl	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
PerlIO	[ DIR ]	drwxr-xr-x	2023-07-12 09:40
Pod	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Search	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
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Term	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Test	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Test2	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Text	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Thread	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Tie	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Time	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
Unicode	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
User	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
autodie	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
encoding	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
overload	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
pod	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
unicore	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
version	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
warnings	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
AnyDBM_File.pm	2.56 KB	-rw-r--r--	2023-11-25 20:59
AutoLoader.pm	15.43 KB	-rw-r--r--	2023-11-25 20:59
AutoSplit.pm	19.18 KB	-rw-r--r--	2023-11-25 20:59
Benchmark.pm	30.3 KB	-rw-r--r--	2023-11-25 20:59
CORE.pod	3.11 KB	-rw-r--r--	2023-11-25 20:59
CPAN.pm	144.5 KB	-rw-r--r--	2023-11-25 20:59
Carp.pm	35.14 KB	-rw-r--r--	2023-11-25 20:59
DB.pm	18.48 KB	-rw-r--r--	2023-11-25 20:59
DBM_Filter.pm	14.05 KB	-rw-r--r--	2023-11-25 20:59
Digest.pm	10.96 KB	-rw-r--r--	2023-11-25 20:59
DirHandle.pm	2.04 KB	-rw-r--r--	2023-11-25 20:59
Dumpvalue.pm	17.25 KB	-rw-r--r--	2023-11-25 20:59
English.pm	4.65 KB	-rw-r--r--	2023-11-25 20:59
Env.pm	5.44 KB	-rw-r--r--	2023-11-25 20:59
Exporter.pm	18.76 KB	-rw-r--r--	2023-11-25 20:59
Fatal.pm	57.7 KB	-rw-r--r--	2023-11-25 20:59
FileCache.pm	5.42 KB	-rw-r--r--	2023-11-25 20:59
FileHandle.pm	6.63 KB	-rw-r--r--	2023-11-25 20:59
FindBin.pm	4.51 KB	-rw-r--r--	2023-11-25 20:59
Internals.pod	2.51 KB	-rw-r--r--	2023-11-25 20:59
Memoize.pm	35.34 KB	-rw-r--r--	2023-11-25 20:59
NEXT.pm	18.54 KB	-rw-r--r--	2023-11-25 20:59
PerlIO.pm	13.92 KB	-rw-r--r--	2023-11-25 20:59
Safe.pm	24.76 KB	-rw-r--r--	2023-11-25 20:59
SelectSaver.pm	1.05 KB	-rw-r--r--	2023-11-25 20:59
SelfLoader.pm	17.27 KB	-rw-r--r--	2023-11-25 20:59
Symbol.pm	4.79 KB	-rw-r--r--	2023-11-25 20:59
Test.pm	29.34 KB	-rw-r--r--	2023-11-25 20:59
Test2.pm	6.24 KB	-rw-r--r--	2023-11-25 20:59
Thread.pm	8.09 KB	-rw-r--r--	2023-11-25 20:59
UNIVERSAL.pm	6.61 KB	-rw-r--r--	2023-11-25 20:59
XSLoader.pm	11.13 KB	-rw-r--r--	2023-11-25 20:59
_charnames.pm	34.84 KB	-rw-r--r--	2023-11-25 20:59
autodie.pm	12.14 KB	-rw-r--r--	2023-11-25 20:59
autouse.pm	4.14 KB	-rw-r--r--	2023-11-25 20:59
base.pm	10.7 KB	-rw-r--r--	2023-11-25 20:59
bigfloat.pm	21.45 KB	-rw-r--r--	2023-11-25 20:59
bigint.pm	22.7 KB	-rw-r--r--	2023-11-25 20:59
bignum.pm	27.56 KB	-rw-r--r--	2023-11-25 20:59
bigrat.pm	20.64 KB	-rw-r--r--	2023-11-25 20:59
blib.pm	2.01 KB	-rw-r--r--	2023-11-25 20:59
builtin.pm	8.84 KB	-rw-r--r--	2023-11-25 20:59
bytes.pm	3.69 KB	-rw-r--r--	2023-11-25 20:59
bytes_heavy.pl	758 B	-rw-r--r--	2023-11-25 20:59
charnames.pm	20.56 KB	-rw-r--r--	2023-11-25 20:59
constant.pm	14.38 KB	-rw-r--r--	2023-11-25 20:59
deprecate.pm	4.92 KB	-rw-r--r--	2023-11-25 20:59
diagnostics.pm	18.88 KB	-rw-r--r--	2023-11-25 20:59
dumpvar.pl	15.19 KB	-rw-r--r--	2023-11-25 20:59
experimental.pm	8.12 KB	-rw-r--r--	2023-11-25 20:59
feature.pm	51.6 KB	-rw-r--r--	2023-11-25 20:59
fields.pm	9.25 KB	-rw-r--r--	2023-11-25 20:59
filetest.pm	3.91 KB	-rw-r--r--	2023-11-25 20:59
if.pm	3.55 KB	-rw-r--r--	2023-11-25 20:59
integer.pm	3.18 KB	-rw-r--r--	2023-11-25 20:59
less.pm	3.13 KB	-rw-r--r--	2023-11-25 20:59
locale.pm	4.77 KB	-rw-r--r--	2023-11-25 20:59
meta_notation.pm	2.02 KB	-rw-r--r--	2023-11-25 20:59
ok.pm	967 B	-rw-r--r--	2023-11-25 20:59
open.pm	8.3 KB	-rw-r--r--	2023-11-25 20:59
overload.pm	52.22 KB	-rw-r--r--	2023-11-25 20:59
overloading.pm	1.77 KB	-rw-r--r--	2023-11-25 20:59
parent.pm	2.64 KB	-rw-r--r--	2023-11-25 20:59
perl5db.pl	310.05 KB	-rw-r--r--	2023-11-25 20:59
perlfaq.pm	77 B	-rw-r--r--	2023-11-25 20:59
sigtrap.pm	8.53 KB	-rw-r--r--	2023-11-25 20:59
sort.pm	2.92 KB	-rw-r--r--	2023-11-25 20:59
strict.pm	4.67 KB	-rw-r--r--	2023-11-25 20:59
subs.pm	945 B	-rw-r--r--	2023-11-25 20:59
utf8.pm	10.5 KB	-rw-r--r--	2023-11-25 20:59
vars.pm	2.4 KB	-rw-r--r--	2023-11-25 20:59
version.pm	1.93 KB	-rw-r--r--	2023-11-25 20:59
version.pod	9.6 KB	-rw-r--r--	2023-11-25 20:59
vmsish.pm	4.21 KB	-rw-r--r--	2023-11-25 20:59
warnings.pm	54.61 KB	-rw-r--r--	2023-11-25 20:59

Rename

package vars;

use 5.006;

our $VERSION = '1.05';

use warnings::register;
use strict qw(vars subs);

sub import {
    my $callpack = caller;
    my (undef, @imports) = @_;
    my ($sym, $ch);
    foreach (@imports) {
        if (($ch, $sym) = /^([\$\@\%\*\&])(.+)/) {
	    if ($sym =~ /\W/) {
		# time for a more-detailed check-up
		if ($sym =~ /^\w+[[{].*[]}]$/) {
		    require Carp;
		    Carp::croak("Can't declare individual elements of hash or array");
		} elsif (warnings::enabled() and length($sym) == 1 and $sym !~ tr/a-zA-Z//) {
		    warnings::warn("No need to declare built-in vars");
		} elsif  (($^H & strict::bits('vars'))) {
		    require Carp;
		    Carp::croak("'$_' is not a valid variable name under strict vars");
		}
	    }
	    $sym = "${callpack}::$sym" unless $sym =~ /::/;
	    *$sym =
		(  $ch eq "\$" ? \$$sym
		 : $ch eq "\@" ? \@$sym
		 : $ch eq "\%" ? \%$sym
		 : $ch eq "\*" ? \*$sym
		 : $ch eq "\&" ? \&$sym 
		 : do {
		     require Carp;
		     Carp::croak("'$_' is not a valid variable name");
		 });
	} else {
	    require Carp;
	    Carp::croak("'$_' is not a valid variable name");
	}
    }
};

1;
__END__

=head1 NAME

vars - Perl pragma to predeclare global variable names

=head1 SYNOPSIS

use vars qw($frob @mung %seen);

=head1 DESCRIPTION

NOTE: For use with variables in the current package for a single scope, the
functionality provided by this pragma has been superseded by C<our>
declarations, available in Perl v5.6.0 or later, and use of this pragma is
discouraged.  See L<perlfunc/our>.

This pragma will predeclare all the variables whose names are
in the list, allowing you to use them under C<use strict>, and
disabling any typo warnings for them.

Unlike pragmas that affect the C<$^H> hints variable, the C<use vars> and
C<use subs> declarations are not lexically scoped to the block they appear
in: they affect
the entire package in which they appear.  It is not possible to rescind these
declarations with C<no vars> or C<no subs>.

Packages such as the B<AutoLoader> and B<SelfLoader> that delay
loading of subroutines within packages can create problems with
package lexicals defined using C<my()>. While the B<vars> pragma
cannot duplicate the effect of package lexicals (total transparency
outside of the package), it can act as an acceptable substitute by
pre-declaring global symbols, ensuring their availability to the
later-loaded routines.

See L<perlmodlib/Pragmatic Modules>.

=cut