Re: Which delete statement is faster?

On Oct 16, 3:23 pm, "Mike Minor" <mminor...@xxxxxxxxxxxxx> wrote:
I have a directory with 200000+files, all in the a*.txt;1 range. I need to
ftp these files to another server. After sending 30,000+ files via FTP I
realized the magnatude of the ftp process, and interrupted it. I want to
delete the 30,000+ file already ftp'ed before going back and looking at

So those files are 'early on' in the directory.

'In place' renaming to ;2 for easy exclusion with FTP is not a bad
thought!

What OpenVMS version?

The problem is somewhat similar to one discussed in:

http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=1165943

You may want to check out my rename suggestion there.
It does a double rename to allow the system to allways take from and
add to the end.

This avoids the expensive 1-block shuflef up to make room when
inserting an 'early' file and the
equally expensive shuffle down when the last entry from vbn 1 is
removed.

You may want to adjust it to pre-establish 5K - 25K - chunks of file
to be dealt with.

Cheers,
Hein.


.

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