On Tue, 19 Jul 2016 13:24:37 -0500, John McKown wrote:

>​AMASPZAP can do the same thing. I don't know DITTO, so I'll guess it would
>be easier to use. Personally, I'd hate to use AMASPZAP to correct BDWs on
>disk. AMASPZAP can also print the data, in HEX.​

I'm baffled by the notion that the BDWs on disk are wrong, and can be 
corrected. Didn't Joe say that all I/O to the file has been using QSAM? If that 
is true, the BDW is the length of the block and to change it will likely cause 
errors.

-- 
Tom Marchant

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