In article <[EMAIL PROTECTED]>, "Gabriel Genellina" <[EMAIL PROTECTED]> wrote:
> "Tom Wright" <[EMAIL PROTECTED]> escribió en el mensaje > news:[EMAIL PROTECTED] > > > I'm writing a program which reads a series of data files as they are > > dumped > > into a directory by another process. At the moment, it gets sporadic bugs > > when it tries to read files which are only partially written. > > > > I'm looking for a function which will tell me if a file is opened in > > write-mode by another process - if it is, my program will ignore it for > > now > > and come back to it later. This needs to work on linux and windows. Mac > > OS would be a bonus too. An os-independent solution would be good, but I > > could write os-specific options and have it pick the appropriate one. > > Use os.open with the O_EXCL flag; will fail if the other process has the > file still open (and will fail if another process is reading the file, too, > not just if someone is writing). O_EXCL fails if the file exists at all - whether closed or open. Donn Cave, [EMAIL PROTECTED]
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