Bakken, Luke wrote:
> Here's a quickie:
>
> I need to create a hash index out of a string that looks like this:
>
> loans:a_foo[0]
>
> If I build the index like this:
>
> $rec->{"loans:a_$fld[$i]"} = $tmp{$fld} || '';
>
> perl thinks that $fld[$i] is an array element, which it isn't.
>
> Here are two solutions I found:
>
> $rec->{"loans:a_$fld" . "[$i]"} = $tmp{$fld} || '';
> $rec->{"loans:a_$fld\[$i]"} = $tmp{$fld} || '';
>
> Are there any other ways? Just curious.
"loans:a_${fld}[$i]" also works. I like your second version above best.
$ perl -MO=Deparse,-q -e '"a_${fld}[$i]"'
'a_' . $fld . '[' . $i . ']';
$ perl -MO=Deparse,-q -e '"a_$fld\[$i]"'
'a_' . $fld . '[' . $i . ']';
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