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. 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!? > > -- > 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 _______________________________________________ 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