JezK
Edit File: vars.pm
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__