That blows my theory of a problem in J tar create. Probably a difference between my interpretation of the tar file spec and 7-zip. Although not the same, not that J tar exctract works on the addons tar of the dictionary.
Perhaps you already ave, but it would be helpful if you could document exactly what bytes the 7-zip has for its checksum and what bytes J tar x things it should have. On Mon, Jun 4, 2012 at 9:28 AM, Robert Cyr <[email protected]> wrote: > The file was created with 7-Zip on a 64-bit vista pc. > > Sent from my iPad > > On 2012-06-04, at 08:56, Eric Iverson <[email protected]> wrote: > > > I haven't had a chance to look at this, but if there is a big I expect it > > is in tar create. Most of the testing was done with tar 'x' (that is, > > extract). Quite a few addons, with quite a range of files and folder > > structures extract successfully. > > > > Can you confirm that the problem you found was with a file that the J tar > > created, rather than a file created by standard unix tar. > > > > If the bug is in J tar create checksum then it is probably easy to figure > > out the fix. > > > > On Sun, Jun 3, 2012 at 3:00 PM, Robert Cyr <[email protected]> wrote: > > > >> tar defines a var named checksum and uses a function named getchk. > >> > >> The 4 (out of 8) leading chars of checksum{d are '0', whereas the 4 > >> leading chars of getchk d are ' '. The other 4 are ok. > >> > >> This leads to an assertion failure. > >> > >> Sent from my iPad > >> ---------------------------------------------------------------------- > >> For information about J forums see http://www.jsoftware.com/forums.htm > >> > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
