Add some Data::Dumper lines and you will see

...
if ($cmp eq $clt)
{
    print "correct!\n";
}
else
{   use Data::Dumper;
    $Data::Dumper::Useqq=1;
    print Dumper(\$cmp,\$clt);
    
}

# Output:
$VAR1 = \"u_ser_a";
$VAR2 = \"u_ser_a\0";

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In reply to Re: compare string problem by jethro
in thread compare string problem by Boring

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