Subj : ISAM variable-length demark?
To   : Mike Luther
From : David Noon
Date : Tue Mar 11 2003 05:37 pm

Hi Mike,

Replying to a message of Mike Luther to All:

[snip]
 ML> What record demark character (group) would be a good choice to use to
 ML> break up the record parade so that I can brute force the file to
 ML> reconstruct the keys?

Good ISAM systems do not use demarcation characters to delimit records. If the 
records can be varying length they use a length prefix, typically a 16-bit or 
32-bit binary integer. I would recommend same.

Regards

Dave
<Team PL/I>

--- FleetStreet 1.25.1
 * Origin: My other computer is an IBM S/390 (2:257/609.5)

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