Usually the java libraries explicitly mention not to place OS resource handles on the finalize() method called by the GC, that why I had the reflex of thinking it was generally applicable to all languages with a GC.
-- Laurent 2009/8/31 Konrad Hinsen <konrad.hin...@fastmail.net> > > On 31 Aug 2009, at 14:08, Laurent PETIT wrote: > > > [Python] > > > > open(filename, 'r').read() # who cares about closing files opened in > > read-mode? > > > > "who cares about closing files opened in read-mode" ? > > > > I would say anybody concerned about blowing up the underlying OS if > > not releasing files handles (especially if you open files in a tight > > loop), or do I miss something ? > > In this particular case, there is no reason to worry: open() returns a > file object that is fed to the method read(), but after that method > returns, there is no more reference to the object, so it is garbage > collected. Upon destruction of the file object, Python closes the > file. All that is documented behaviour in Python, so it is safe to > rely on it. > > It is another question if relying on a list of reasonable but not > evident behaviours is good style. Personally, I don't use such > constructs in library code, but I do in scripts for personal use. > > In Clojure, I would be much more careful because I know the Java > libraries less well than the Python libraries. Which illustrates that > "good style" also depends on someone's experience. > > Konrad. > > > > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
