List all defined variables
#!/usr/bin/env perl
use v5.10;
use strict;
use warnings;
my $x;
my @y;
our $xx;
foreach my $variable (sort keys %main::) {
say $variable;
}
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#!/usr/bin/env perl
use v5.10;
use strict;
use warnings;
my $x;
my @y;
our $xx;
foreach my $variable (sort keys %main::) {
say $variable;
}