Hi Brian, > Am 08.05.2022 um 20:19 schrieb Brian Milby via use-livecode > <use-livecode@lists.runrev.com>: > > I imagine this one isn’t documented due to the issues where you can’t read > properties from an existing zip file. I think I found it when digging into > the source. > I’m sure there are some that could be found by looking at the source code > that is still available.
I bet there are, but surely won't take a look... 8-) > Sent from my iPhone > >> On May 8, 2022, at 1:33 PM, Klaus major-k via use-livecode >> <use-livecode@lists.runrev.com> wrote: >> >> Hi all, >> >>>> Am 08.05.2022 um 03:18 schrieb Neville Smythe via use-livecode >>>> <use-livecode@lists.runrev.com>: >>>>> On 8 May 2022, at 2:00 am, Brian Milby wrote: >>>> It is a bug somewhere. See this big report: >>>> https://quality.livecode.com/show_bug.cgi?id=21447 >>>> <https://quality.livecode.com/show_bug.cgi?id=21447> >>>> I actually think it is related. The zip should be created as a Unix >>>> variant and not Fat and file attributes should be stored. One thing that >>>> could be tried is to manually set the executable bit when creating the >>>> archive. I was able to store a link in a zip using this method, but there >>>> is no way to read the file attributes in LC. >>> Brian, utter genius! >>> Not only do you pinpoint the bug — revZip is creating a ‘fat’ zip not a >>> ‘unx’ zip and not adding the external attributes – but it looks like you >>> have provided the workaround (for my problem of execute permissions at >>> least) >>> I tried the implausible trick of using the undocumented >>> revZipSetItemAttributes >>> put 0x80000000 into tExtAttributes -- regular file >>> add 0x01ED0000 to tExtAttributes -- rwxrwxr-x -- modify as per file (and >>> may only do for Mac,Linux?) >>> revZipSetItemAttributes pArchive, pName, 3, tExtAttributes — 3 for unix >>> system >>> for each file as it is added to the archive. I didn’t really expect this to >>> work as the file is already added to the archive in ‘fat’ format. >>> Not only does unzip -Z report that the archive items are now in ‘unx’ >>> format with permissions rwxrwxr-x, but astonishingly the zip actually >>> decompresses to a working executable – well, only so far briefly tested on >>> a Mac but it seems likely this is going to work on all platforms. >>> As you point out in your bug 21447 report, revZip probably won’t be able to >>> decompress the archive correctly because of other deficiencies, but I only >>> need the user's system to unpack it. And I will have to modify the >>> permissions for each individual file in the archive. >>> I never thought I would use the expression, but, like , awesome! OK sorry I >>> went there, but jolly well done, that man! >>> >>> Neville >> >> I really wonder how much more useful features are undocumented and why they >> do not find their way into the dictionary!? Best Klaus -- Klaus Major https://www.major-k.de https://www.major-k.de/bass kl...@major-k.de _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
