I'll add support for an optional directory-filtering function to `in-directory`.
At Tue, 24 Dec 2013 05:24:50 +0100, Manfred Lotz wrote: > On Mon, 23 Dec 2013 20:51:16 -0600 > Robby Findler <ro...@eecs.northwestern.edu> > wrote: > > > I don't think the proposed fix would "resist" in this manner. The > > directory could be deleted between the time you check for its > > existence and when you ask for its contents. > > > > I would differentiate between static and dynamic errors. > > Static error is that a directory couldn't be traversed because of > permission denied. An optional parameter would do. > > Dynamic error is that during traversing a bad thing happens. > Permissions gets changed or even the directory gets deleted. In this > case it is an exception, and in-directory stops. However, the issuer of > in-directory should have an option to resume. > > > -- > Manfred > > > > > > > > > On Mon, Dec 23, 2013 at 7:05 PM, Matthias Felleisen > > <matth...@ccs.neu.edu>wrote: > > > > > > > > If you don't have permissions, you can't recur and the current > > > implementation throws an error w/o recourse to a fix. As Manfred > > > points out, this is a 'fair weather' function. A real > > > implementation should resist such external mishaps. But I also > > > agree w/ you about the parameter. It would generalize this > > > situation -- Matthias > > > > > > > > > > > > > > > > > > > > > On Dec 23, 2013, at 5:53 PM, Robby Findler wrote: > > > > > > Perhaps in-directory can take an optional parameter that controls > > > whether or not to recur? > > > > > > Robby > > > > > > > > > On Mon, Dec 23, 2013 at 4:42 PM, Matthias Felleisen > > > <matth...@ccs.neu.edu>wrote: > > > > > >> > > >> On Dec 23, 2013, at 5:12 PM, Manfred Lotz > > >> <manfred.l...@arcor.de> wrote: > > >> > > >> > I think in-directory should be fixed in the long run. > > >> > > >> Agreed. -- Matthias > > >> > > >> ____________________ > > >> Racket Users list: > > >> http://lists.racket-lang.org/users > > >> > > > > > > > > > > > > > > ____________________ > Racket Users list: > http://lists.racket-lang.org/users ____________________ Racket Users list: http://lists.racket-lang.org/users
