On 12/16/2010 8:21 PM, Bill Godfrey wrote:
Has the directory size of your PDS ever been increased using some non- standard directory-expanding program? If so, and that program did not write an EOF at the end of the directory, or allowed its new EOF to be subsequently overwritten, I wonder if that would cause an error like this. I think the "12 binary zeros" mentioned in the error message represent the EOF that follows the last directory block, and XMIT Manager is saying there is no EOF after the directory.
Well, certainly no non-standard directory-expanding programs have ever touched this data set.
It would not surprise me if a missing EOF went unnoticed for a long time, because I would guess that most directory-reading programs stop when the key or directory entry that is all hex ff's is read. You could copy your PDS to a new PDS and see if you have the same problem with an XMIT file of the new PDS. It might work.
Well, that's worth a try. I have at it tomorrow. Thanks for the suggestion.
Bill On Thu, 16 Dec 2010 06:36:36 -0700, Steve Comstock wrote:When I package support files for course labs, I have for many years used XMIT, then download as binary to my workstation. Over the years Xmit manager has been a valuable tool to examine such files. Today I wanted to look at member in a PDS in XMIT format and Xmit manager gives these messages: ------------------------------------------------------- An error has occurred while decoding the xmit file! Error while decoding Member directory blocks and the Details: End of directory block should contain 12 binary zeros Information obtained at the point of error: Current xmit record length is 255 bytes Current xmit record type is x00 Current file offset is 3720 Xmit File size is 572400 Use the Debug option to provide a format dump of the xmit file for further diagnosis. ------------------------------------------------------ The Debug option didn't help me. I repeated the process, just to make sure everything was correct, but got the same error sequence. The XMIT file is good (a RECEIVE unpacks the file just fine). I also tried opening some other files in using Xmit manager and they opened fine. Any suggestions?
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