That is amazing. foodweb(prune="<myfunct>") does precisely what I described. It even draws a graph!
Hats off to the author Mark Bravington. Thanks Erik for the pointer. Regards, Matthew > -----Original Message----- > From: Erik Iverson [mailto:[EMAIL PROTECTED] > Sent: 31 March 2006 17:21 > To: Matthew Dowle > Cc: '[email protected]' > Subject: Re: [R] Function dependency function > > > I had a similar need and found package mvbutils, function foodweb(). > > From the help file: > > 'foodweb' is applied to a group of functions (e.g. all those in a > workspace); it produces a graphical display showing the > hierarchy > of which functions call which other ones. This is handy, for > instance, when you have a great morass of functions in a > workspace, and want to figure out which ones are meant to be > called directly. 'callers.of(funs)' and 'callees.of(funs)' show > which functions directly call, or are called directly > by, 'funs'. > > Hope that helps, > Erik Iverson > > Matthew Dowle wrote: > > Hi, > > > > Is there a function taking a function as an argument, which returns > > all the functions it calls, and all the the functions those > functions call, and so > > on? I could use Rprof, but that would involve executing > the function, > > which may miss some branches of code. I'd really like a > function which > > looks at the source code to work out all the functions that > could possibly > > be called. When I develop a function and release to > production environment > > (or to some library) then I may need to release other > functions I've > > developed which that function calls. As soon as the function call > > stack goes outside .GlobalEnv (for example into base) then > the search > > can stop as I'm only interested in functions in .GlobalEnv (my own > > functions). Also useful would be the reverse function > i.e. find all > > functions which could possibly call the function. This > could be used > > to find functions which are never called and could be > considered for > > deletion. > > > > Thanks, > > Matthew > > > > > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > [email protected] mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide! > > http://www.R-project.org/posting-guide.html > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
