Strangeness: Cannot write to a file from a process created by Windows Task Scheduler ...
marco.bizzarri at gmail.com
Mon Oct 26 18:50:47 CET 2009
You could try to flush the file? Maybe it would flush once you close,
which never happens; did you try to limit the amount of times it run
inside the 'while' loop?
On Mon, Oct 26, 2009 at 6:17 PM, Sandy Walsh <swalsh at impathnetworks.com> wrote:
> Hi there,
> Seeing some really weird behavior and perhaps someone has seen something
> I have a python script that launches as a Windows Scheduled Task. The
> program simply opens a disk file and writes some text to it:
> f = open("waiting.txt", "w")
> x = 0
> while 1:
> f.write("Sleeping: %d\r\n" % x)
> x += 1
> I've run it under my user account. I've run it as Local Account. I've run it
> via pythonw and python ... only one way works:
> When I run with full credentials (not local account) and python (not
> pythonw) I get output in the file (and a CMD window appears while it's
> running). In every other combination it creates the 'waiting.txt' file, but
> doesn't write any output to the file. The length of the file is 0 bytes.
> Anyone have ideas what could be causing this? I suspect it's blocking on
> something, but I can't imagine where.
> There is no stderr/stdout output anywhere in the program so it's not
> blocking on anything stdio related (that I can imagine)
More information about the Python-list