Qualifiers

[Kenneth Brody]

John Esak wrote:
> Yes, that is the idea of course... Very nifty... And to help further, the
> "getting the header only" part could be done with dd if=ix_file of=ixq_file
> count=1024 bs=1
> 
> Meaning 1024 covers the index header fine and gives you a nice clean new
> index.

For efficiency's sake, I would use "bs=1024 count=1" instead.  Not much 
difference for a single file, but it adds up if scripting hundreds of indexes.

> Ken's done all the other work.  Wow.  Now, I want to see it in batch!  :-)
> Which is why I always wrote it in filePro.

Current cmd.exe batch processing is actually pretty decent.  In particular 
for this case is the capability of multi-line for and if statements.

It might actually be doable in a Windows .bat file.

[...]
>> Pseudo-code (untested):
>>
>> for file in list_of_files
>> do
>>    cd $PFDATA$PFDIR/filepro/$file
>>    for qual in list_of_qualifiers
>>    do
>>      create empty key$qual
>>      create empty data$qual
>>      for ix in A through Z
>>      do
>>        if index.$ix exists, copy (header of) index.$ix to 
>> index$qual.$ix
>>      done
>>      append "$qual" to qualifiers file
>>      chown/chmod key$qual data$qual index$qual.*
>>      rebuild all indexes in qualifier
>>    done
>> done

-- 
Kenneth Brody