On 4/14/05, JupiterHost.Net <[EMAIL PROTECTED]> wrote: > >>Jay Savage wrote: > >>[snip] > >> > >>>But think a little bit about the convoluted namespace you created to > >>>get that function in there. Think also about this: why have you put > >>>this code into a module? So you can reuse it, presumably. Or at > >>>least that's the assumption I'm working with. Maybe you're even going > >>>to share your module with other people. Now let's say I maintain > >>>Digest::MD5, and tomorrow, I decide that the function isn't going to > >>>be called 'md5_base64' anymore, because I got sick of typing it. From > >>>now on it's going to be 'md5_64'. You now have to go through and fix > >>>your module to make it export the new function name. Then you have to > >>>go through every program that uses the module, and change every > >>>occurance of 'md5_base64'--thank god for regex! > >> > >>That would effect more than just this single module. The purpose of APIs > >>is that you can communicate by only needing to know the name of the > >>function, not the code it does. By changing the name of the function, > >>you change the API, meaning that anything that ever used that function > >>will cease to function properly. > >>Why use a regular expression when you know *exactly* what you are > >>getting? Which is better $abc eq 'abc' or $abc =~ m/abc/? > >>Not to mention that regex wouldn't help if the function name were > >>changed to my_hash_function. > >> > >>[snip] > >> > >>>--jay > > > > > > perl -p -i.old -e 's/old_func\((.*)\)/new_func($1)/g' *pl > > To keep this on topic of the OP, there is still no need for either way > with the way I was able to do it with import() which is better yet and > makes this new argument moot and pointless. > > Please die thread ;p >
I second that, but I thought regex != m// was an important point. If M is uncertain about where regexes can be used, I'm happy to help him out ;) --j -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response>
