> I can probably figure this out if I spend some time but as I was going through > it more questions were raised. >
Some time, or some more time. Some time is usually expected.... > Is it possible for a Perl script to check if a subroutine exists in a module > without actually invoking that subroutine? > perldoc UNIVERSAL specifically the 'can' function. > I have a Perl module that contains a bunch of subroutines. I need to pass the > name of one or more subroutines on the command line to another Perl script. I > would like to avoid hard-coding the subroutine names on the command line and > at the same time automatically ensure I never pass the name of a subroutine > that does not exist. I guess I need to abstract the subroutine names somehow > and I'm wondering what my options are. I was thinking of having constants in > the module, one for each subroutine name, but there seems to be a little > duplication there. When I'm composing the command line (in Perl), is there > some way I can check if a subroutine of a given name exists in the module? I > would like to die under such conditions. > > I know there is some way to get a reference to a subroutine. If I can figure > out how to get this reference (which I assume would be undef or something if I > try to get a reference to a subroutine that does not exist) that would > probably help, but I am not sure of the syntax or if that's the right approach. > > Are there reflection classes for dealing with things like this? > > I did search the web (a little) but wasn't sure where to start in the perldocs. > > See if the above helps. All of this seems a little fishy, what is the overall goal and why do you need to pass sub names to a separate script? http://danconia.org -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response>
