Ok, thanks for the reply guys :) Cheers, Alf
On 22 January 2014 16:04, guns <s...@sungpae.com> wrote: > On Wed 22 Jan 2014 at 02:21:51PM +0100, Alf Kristian Støyle wrote: > > > Would be nice to be able to specify that an option "must be specified > > in every invocation" though. I think it would lead to better error > > messages, e.g. if several "mandatory" options are forgotten, they will > > be shown at once. That is a bit of a hassle when doing it yourself. > > > > Haven't looked too hard at the source though, but any chance of > > contributing a patch to something like that? > > > > E.g. > > [["-p" "--port PORT" "Port number" > > :mandatory true]] > > I think the nicest thing about the original design of tools.cli is that > it is conceptually a transformation of a default map of values into > another map of values. Kind of like: > > (reduce option-rules default-map ARGV) ; => new-map > > From this POV, it makes more sense to me to assert the shape and value > of `new-map` than to validate the membership of `ARGV`. I hope this > makes sense. > > That said, there is definitely plenty of room for a more convenient > framework on top of tools.cli. The recent reboot of the library was > primarily aimed at increasing the flexibility of the argument tokenizer > (e.g. supporting GNU option conventions) and that of summary generation. > > I purposefully made no attempts at adding anything fancier than that > since the API change was already jarring. > > Also, in my experience with CLI libraries in other languages, > programmers simply cannot agree on a single way to structure command > line programs. Therefore, it my hope that `parse-opts` can at least > serve as a common base between such libraries and for Clojurists > interested in rolling their own.¹ > > If a clear favorite does emerge in the future, then that will be a great > candidate for inclusion in tools.cli before an eventual 1.0 release. > > Cheers, > guns > > ¹ What is unfortunate is that many libraries ship with their own > ad-hoc parsers that use regular expressions or simple word matching. > `parse-opts` tokenizes input before parsing so things like clumped > options (`-abc`) are properly handled. > -- -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
