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Name	Size	Permission	Date
App	[ DIR ]	drwxr-xr-x	2021-08-18 16:17
Archive	[ DIR ]	drwxr-xr-x	2021-02-02 20:02
Attribute	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
B	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
CPAN	[ DIR ]	drwxr-xr-x	2021-08-18 16:18
Class	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
Compress	[ DIR ]	drwxr-xr-x	2021-08-18 16:17
Config	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
DBM_Filter	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
Devel	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
Encode	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
ExtUtils	[ DIR ]	drwxr-xr-x	2021-08-18 16:17
File	[ DIR ]	drwxr-xr-x	2021-08-18 16:17
Filter	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
Getopt	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
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I18N	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
IO	[ DIR ]	drwxr-xr-x	2021-08-18 16:17
IPC	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
JSON	[ DIR ]	drwxr-xr-x	2021-02-02 20:02
LWP	[ DIR ]	drwxr-xr-x	2021-08-18 16:17
Locale	[ DIR ]	drwxr-xr-x	2021-08-18 16:17
Log	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
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Memoize	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
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Tie	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
Time	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
URI	[ DIR ]	drwxr-xr-x	2021-08-18 16:17
Unicode	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
User	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
Version	[ DIR ]	drwxr-xr-x	2021-02-02 20:02
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unicore	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
vendor_perl	[ DIR ]	drwxr-xr-x	2025-11-19 21:35
warnings	[ DIR ]	drwxr-xr-x	2021-08-18 16:07
AnyDBM_File.pm	2.56 KB	-rw-r--r--	2021-02-02 20:02
AutoLoader.pm	14.66 KB	-rw-r--r--	2021-02-02 20:02
AutoSplit.pm	19.18 KB	-rw-r--r--	2021-02-02 20:02
Benchmark.pm	27.87 KB	-rw-r--r--	2021-02-02 20:02
CORE.pod	2.7 KB	-rw-r--r--	2021-02-02 20:02
CPAN.pm	142.98 KB	-r--r--r--	2020-06-13 09:17
DB.pm	18.43 KB	-rw-r--r--	2021-02-02 20:02
DBM_Filter.pm	14.06 KB	-rw-r--r--	2021-02-02 20:02
DirHandle.pm	1.52 KB	-rw-r--r--	2021-02-02 20:02
Dumpvalue.pm	16.5 KB	-rw-r--r--	2021-02-02 20:02
English.pm	4.34 KB	-rw-r--r--	2021-02-02 20:02
FileCache.pm	5.44 KB	-rw-r--r--	2021-02-02 20:02
FileHandle.pm	6.62 KB	-rw-r--r--	2021-02-02 20:02
FindBin.pm	4.45 KB	-rw-r--r--	2021-02-02 20:02
LWP.pm	21.15 KB	-rw-r--r--	2013-03-12 01:03
Memoize.pm	34.4 KB	-rw-r--r--	2021-02-02 20:02
NEXT.pm	18.05 KB	-rw-r--r--	2021-02-02 20:02
PerlIO.pm	10.19 KB	-rw-r--r--	2021-02-02 20:02
Safe.pm	24.03 KB	-rw-r--r--	2021-02-02 20:02
SelectSaver.pm	1.05 KB	-rw-r--r--	2021-02-02 20:02
SelfLoader.pm	16.97 KB	-rw-r--r--	2021-02-02 20:02
Symbol.pm	4.68 KB	-rw-r--r--	2021-02-02 20:02
Test.pm	28.13 KB	-rw-r--r--	2021-02-02 20:02
Thread.pm	8.09 KB	-rw-r--r--	2021-02-02 20:02
UNIVERSAL.pm	6.97 KB	-rw-r--r--	2021-02-02 20:02
URI.pm	33.01 KB	-rw-r--r--	2012-03-26 01:17
XSLoader.pm	9.99 KB	-rw-r--r--	2021-02-02 20:02
_charnames.pm	29.8 KB	-rw-r--r--	2021-02-02 20:02
autouse.pm	4.14 KB	-rw-r--r--	2021-02-02 20:02
base.pm	6.37 KB	-rw-r--r--	2021-02-02 20:02
bigint.pm	17.44 KB	-rw-r--r--	2021-02-02 20:02
bignum.pm	18.23 KB	-rw-r--r--	2021-02-02 20:02
bigrat.pm	14.11 KB	-rw-r--r--	2021-02-02 20:02
blib.pm	2.04 KB	-rw-r--r--	2021-02-02 20:02
bytes.pm	2.96 KB	-rw-r--r--	2021-02-02 20:02
bytes_heavy.pl	758 B	-rw-r--r--	2021-02-02 20:02
charnames.pm	19.22 KB	-rw-r--r--	2021-02-02 20:02
deprecate.pm	3.01 KB	-rw-r--r--	2021-02-02 20:02
diagnostics.pm	17.96 KB	-rw-r--r--	2021-02-02 20:02
dumpvar.pl	14.96 KB	-rw-r--r--	2021-02-02 20:02
feature.pm	11.06 KB	-rw-r--r--	2021-02-02 20:02
fields.pm	9.28 KB	-rw-r--r--	2021-02-02 20:02
filetest.pm	3.91 KB	-rw-r--r--	2021-02-02 20:02
if.pm	1.13 KB	-rw-r--r--	2021-02-02 20:02
integer.pm	3.19 KB	-rw-r--r--	2021-02-02 20:02
less.pm	3.13 KB	-rw-r--r--	2021-02-02 20:02
locale.pm	2.72 KB	-rw-r--r--	2021-02-02 20:02
lwpcook.pod	9.05 KB	-rw-r--r--	2012-02-11 18:32
lwptut.pod	24.89 KB	-rw-r--r--	2012-02-11 18:32
open.pm	7.83 KB	-rw-r--r--	2021-02-02 20:02
overload.pm	52.66 KB	-rw-r--r--	2021-02-02 20:02
overloading.pm	1.77 KB	-rw-r--r--	2021-02-02 20:02
perl5db.pl	302.79 KB	-rw-r--r--	2021-02-02 20:02
perlfaq.pm	94 B	-rw-r--r--	2021-02-02 20:02
sigtrap.pm	7.46 KB	-rw-r--r--	2021-02-02 20:02
sort.pm	5.95 KB	-rw-r--r--	2021-02-02 20:02
strict.pm	3.84 KB	-rw-r--r--	2021-02-02 20:02
subs.pm	845 B	-rw-r--r--	2021-02-02 20:02
utf8.pm	7.6 KB	-rw-r--r--	2021-02-02 20:02
utf8_heavy.pl	30.1 KB	-rw-r--r--	2021-02-02 20:02
vars.pm	2.3 KB	-rw-r--r--	2021-02-02 20:02
vmsish.pm	4.22 KB	-rw-r--r--	2021-02-02 20:02
warnings.pm	18.34 KB	-rw-r--r--	2021-02-02 20:02

Rename

package vars;

use 5.006;

our $VERSION = '1.02';

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 (obsolete)

=head1 SYNOPSIS

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

=head1 DESCRIPTION

NOTE: For variables in the current package, the functionality provided
by this pragma has been superseded by C<our> declarations, available
in Perl v5.6.0 or later.  See L<perlfunc/our>.

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

Unlike pragmas that affect the C<$^H> hints variable, the C<use vars> and
C<use subs> declarations are not BLOCK-scoped.  They are thus effective
for the entire file in which they appear.  You may not rescind such
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