>> I'd like to concatenate two variables--
>>
>> $newVar = $old1 . $old2;
>>
>> -- where $old1 might be undefined. Is there any way to set a flag so
>> that this just results in $old2 instead of the compiler throwing an
>> error?
>
> The concatenation operator will work fine with an undefined value. It's
> one of the cases where the interpreter will substitute an empty string
> instead of throwing an error.
That's good to know...
It looks like I've over-simplified. I'm "concatenating" two variables into
a list:
$newTxt[$row] = [ @{$numTxt[$row]}, "\t" x ($nextCol - $#{$numTxt[$row]}),
@temp ];
I'd like result to be @temp if $numTxt[$row] is undefined, and that whole
mess if it isn't. It seems like this should be done without an if/then, but
I can't see how.
- B
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