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use strict; use warnings;
use Test::More tests => 4;
use IO::All;

my $perl_version < io("$^X -v|");
ok($perl_version =~ /Larry Wall/);
ok($perl_version =~ /This is perl/);

io("$^X -v|") > $perl_version;
ok($perl_version =~ /Larry Wall/);
ok($perl_version =~ /This is p(erl|onie)/);