I was looking for this answer only. Thanks a lot. Palav
On Fri, May 23, 2008 at 2:23 PM, Andrew Farmer <[EMAIL PROTECTED]> wrote: > On 23 May 08, at 01:26, parag vibhute wrote: > >> I am developing cocoa application & using NSApplescript class to do shell >> scripting which involves zip command. I am using zip command for zipping >> the >> files because there is no framework api available for it. Even though libz >> is available, it is not easy to use. (I can't use NSData because I am >> using >> output zip file for distribution as an alternate to pkg). My query is "Is >> it >> possible that any Mac system will not have zip command?" because if there >> is >> then my code will fail. I went through docs & came to know that Finder >> uses >> its own code for archiving the files. >> > > Two answers: > > 1. The zip binary is a required component on 10.4 and above. It was > optional but installed by default on 10.3, and was not installed by default > on 10.2 and earlier. Statistics from Adium and the Omni Group both suggest > that anything before 10.3 is basically nonexistent in the wild, so you're > safe assuming it's there. > > 2. While libz may get you part of the way to reading PKZip archives, it > only implements the deflate compression algorithm - it won't read the > directory components of the archive for you. So don't expect it to do all > the work for you. > -- There are many things in your life that will catch your eye but only a few will catch your heart....pursue those'. _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
