Re: want to assign default value to variable I assign from split but want to know optimal way to get this done: please help!
[email protected] (Richard Lee)
| Newsgroups | perl.beginners |
|---|---|
| Message-ID | <[email protected]> |
Rob Dixon wrote:
> Richard Lee wrote:
>
>> while (<FILE>) {
>> my($file1,$file2,$file3,$file4,$file5,$file6,$file10,$file25,$file27)
>> = (split( /\|/, $_))[3,4,6,7,12,40,41,42,43,46,56,64]
>> }
>>
>> while doing above, what is the easiest way to make sure all the variable
>> that's being given a value is true and if not
>> assign something default value (such as 'default' or 'X') ?
>>
>> I was doing (after the while loop)
>>
>> $file |= 'default'
>> $file2 |= 'default2'
>> $file3 |= 'default3'
>>
>> but I stopped and thought this cannot be so repetitious
>>
>> so I didn't want to but tried( I didn't want to put them in array since
>> I need to use individual named variable later)
>>
>> while (<FILE>) {
>> my @array = (split( /\|/, $_))[3,4,6,7,12,40,41,42,43,46,56,64]
>> }
>> for (@array) {
>> $_ |= 'default';
>> }
>>
>> but is that the best way to do this?
>>
>
> while (<FILE>) {
> my ($file1,$file2,$file3,$file4,$file5,$file6,$file10,$file25,$file27) =
> map $_||'default', (split /\|/)[3,4,6,7,12,40,41,42,43,46,56,64];
> }
>
> Rob
>
Thank you everyone.
I like this solution the best and thanks for pointing out that I was
misusing |= vs ||=
thank you all!!