Re: CVS script

[Maciej Stachowiak <mstachow@mit.edu>]

jimb@red-bean.com writes:
> 
> > How would the guile version have looked if the following procedures where
> > available in some library?  BTW, I agree that stuff like this should exist
> > somewhere in the guile tree.
> 
> A library could have eliminated about a page, but not so much.
> 
> > (define (find-files dir . arg-ls)
> >   "Return a list of files within directory DIR.  Two optional arguements
> > are supported, PREDICATE and RECURSE?.  PREDICATE should be a procedure
> > of one argument that determines whether a particular file should be included
> > in the returned list.  As a special case, if PREDICATE is a string, it is
> > compiled into a regular expression, and a predicate is generated that applies
> > this regular expression to the filename.  RECURSE? determines whether the
> > procedure descends into subdirectories, and it defaults to #t.  Symbolic
> > links are not followed."
> 
> I like the bit about how a string supplied as a predicate
> automatically turns into a regexp.  That might be a good convention to
> use more widely, whenever one supplies a predicate on strings.  If the
> context says the predicate will be applied to filenames, it should be
> a glob pattern.  If the context just says it'll be applied to strings,
> it should be a full regexp.

I like this too. I've tried to use the same convention in scwm
whenever appropriate.

 - Maciej