Re: more on flushing; Aap: Copied; /usr/bin/scp -C -p

Scott Harrison wrote:

> Also, output like what is listed below is being output in chunks
> (as opposed to being flushed line by line).

For an unknown reason your Python is buffering the output like it is
being written into a file, opposed to flushing each line when writing to
a terminal.  I'm afraid I can't guess why.

> And, with scp://, it appears to take 4 minutes to transfer
> 100 files (certainly not due to bandwidth).  Maybe the slow
> scp is something I need to investigate, but maybe you have an idea?

scp takes some time to establish a connection.  Currently Aap starts a
new scp command for each file, unless it can figure out something to
copy multiple files at a time (going to the same directory).

I don't know if there is a way to run scp once and somehow make it copy
several files.  We also need to check failure properly, this this may be
a bit complicated.

> When I say chunks, I mean 10+ lines at a time.

That's the normal way Aap avoids very long command lines.  Most shells
have a limit for the length of the line.  Aap currently splits up the
list in chunks of 20 files.

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