On Saturday, June 20, 2015 at 12:38:46 AM UTC-4, iori wrote: > > Seems like the problem is because the library doesn't handle 'L' block > type, which means a long file name. > > https://github.com/mhausherr/Light-Untar-for-iOS/issues/20 > > This, together with information I found here: > http://stackoverflow.com/questions/2078778/what-exactly-is-the-gnu-tar-longlink-trick >
Good work tracking down the root cause! > I still doesn't know how to solve the issue.. > Seems like there are few straightforward solutions: 1. Patch the library to handle long names 2. Switch to a different library 3. Recompress/tar the data files to be compatible with the library you are using. Tom > On Saturday, 20 June 2015 11:22:27 UTC+8, iori wrote: >> >> I have no problem decompress them on the os level too, just that seems >> like a few of the TAR libraries I found for iOS platform were all based on >> Light-Untar-for-iOS and they couldn't untar it due to "invalid block type" >> error. >> >> On Friday, 19 June 2015 14:14:52 UTC+8, zdenop wrote: >>> >>> There should be nothing special regarding tar structure - AFAIR language >>> packages were compressed on linux and I have no problem to decompress them >>> on linux or windows... >>> >>> Zdenko >>> >>> On Fri, Jun 19, 2015 at 3:19 AM, iori <[email protected]> wrote: >>> >>>> I'm trying to use tesseract library in iOS platform but having some >>>> trouble. After downloading any of the language packs (.tar.gz), and >>>> successfully ungzip it (become .tar), using the popular >>>> Light-Untar-for-iOS <https://github.com/mhausherr/Light-Untar-for-iOS> >>>> couldn't >>>> manage to untar the file. >>>> >>>> Does the .tar format in tesseract language packs have special >>>> structure? One of the thing I notice is the first block is always a null >>>> block, which is not the case for any of the other tar files I tried. I am >>>> able to untar other tar files I found on my Mac without issues.. >>>> >>>> The file is not corrupted because I can untar it on my Mac without >>>> issues.. >>>> >>>> I have posted the more detailed description of my problem at: >>>> https://github.com/mhausherr/Light-Untar-for-iOS/issues/25 >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "tesseract-ocr" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To post to this group, send email to [email protected]. >>>> Visit this group at http://groups.google.com/group/tesseract-ocr. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/tesseract-ocr/2df9ca8f-cf7b-4373-a8e9-07c0ff3088fb%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/tesseract-ocr/2df9ca8f-cf7b-4373-a8e9-07c0ff3088fb%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/tesseract-ocr. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/2fde0847-5203-46c4-b459-65decea0eaa3%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
