Reading in a map

[Kenneth Brody]

Richard Kreiss wrote:
[...]
>>> Too bad -j doesn't work when building demand indexes.
>> I'm not sure what -j has to do with building indexes, demand or otherwise.
>>
>> Perhaps if you were to describe what you are trying to do that dxmaint
>> doesn't, we'd have a clearer picture of how to go about it.
> 
> Dressier question about being more specific in what I'm considering doing,
> my client has complained that it is taking a bit too long for the demand
> indexes to be built based on the selection sets that they are using. I felt
> that I many of the speed up the build of these indexes by pointing the build
> at an automatic index which is using similar keys.

Depending on numerous factors, I would expect that building an index off an 
automatic index might actually take longer, given that it means dxmaint 
needs to read the file in index order, rather than record-number order.

> Since one cannot select an input index using just dxmaint, I would need to
> build the command line each time as the sorts sequence depends on when my
> client's call center needs to do.
> 
> A command line may look like this:  
> 
> Dxmaint foobar -o1 -im -s this_doc -rf 14,,:20 -e -h "building Index 1"
[...]

Have you considered using dreport to build the demand index instead?

-- 
Kenneth Brody