On Monday 10 September 2007, Palit, Nilanjan wrote:
> I have to do some format conversions, so I'm defining subroutines like
> "sub FormatConv_X2Y()". At this point I have only a few of the format
> conversions defined & I haven't gone through the entire dataset to know
> all the format conversions needed. So I'd like to check whether a
> specific format conversion subroutine is defined before I call it (all
> the subroutine names will be of the form "FormatConv_X2Y") -- is there a
> way to do that? In other words, is there a way to find out whether a
> subroutine is defined before calling it?
>
The best way is probably:
if (defined(my $func = __PACKAGE__->can("FormatConv_${from}2${to}")))
Then you can also do:
$func->(@args).
Regards,
Shlomi Fish
> I'm guessing it might involve looking up the symbol table, but don't
> know any specifics. Any help would be much appreciated.
>
No need for this in this particular case.
Regards,
Shlomi Fish
> Thanks,
>
> -Nilanjan
>
>
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Shlomi Fish [EMAIL PROTECTED]
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