He also noted this about the _MACOSX folder: The PHP ZIPARCHIVE::CHECKCONS flag seems to map to ZIP_CHECKCONS in libzip and that triggers a similar check. This is, IMO, an overly pedantic check (not surprising given that it’s behind the ‘pedantic’ flag) but it may well be the cause of this problem. The code is complaining that bit 3 is set but the local header values are not zero. The data descriptor and in the central directory. Set to zero in the local header and the correct values are put in If bit 3 of the general purpose bit flag is set, these fields are
THINGS LIKE BETTERZIP FOR MAC GENERATOR
Zip allows the generator to not include certain info in the local header but instead tell the reader to use the central directory info instead.
THINGS LIKE BETTERZIP FOR MAC ARCHIVE
Elsewhere in the archive is a central directory that contains copies of the local header. To understand this you have to understand that zip archives consist of files, with each file prefixed by a local header. OK, an Apple Developer Technical Support guy weighed in, and here’s the deal about this error message in pedantic mode: Not zero uncompressed size in local header 3046 on /Users/adam/Desktop/ArchiveUtility.zip I very much doubt Apple will change this behavior at this point, since the metadata in question is potentially useful on a Mac, so the better part of valor may be for you to special case ignoring _MACOSX and anything inside. This has apparently been going on for a long time - either I misremembered that it used to work, or TablePress in the past just silently ignored the spurious metadata files. There are various workarounds to this, such as using a different program to create the archive or using the zip command-line tool to delete the hidden folder and metadata files. csv extensions, and spitting up because they’re binary files and NOT real text-only CSV files. The problem for you, I would guess, is that TablePress is traversing the entire archive, seeing these metadata files with. _foo.csv containing metadata about each file. So, if you have a file foo.csv, inside _MACOSX will be another file called. Inside that folder are additional files, each one corresponding to the files that the user compressed. Apple’s Archive Utility always creates ZIP files that contain a hidden _MACOSX folder.
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