You could use the comma:

use strict;
use warnings;

my @x;
push @x, "this";
push @x, "that";

print "This is \@x:\n";
print @x;

print "\n\nThis is \@x\\n:\n";
print @x ,"\n";

__OUTPUT__

This is @x:
thisthat

This is @x\n:
thisthat
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