Re: fopen

On Fri, 2002-02-15 at 08:14, Erik Price wrote: > > On Friday, February 15, 2002, at 04:53 AM, Lars Torben Wilson wrote: > > > The problem with that is that you have a time lag (perhaps only > > in microseconds, but it still is a problem) while you're writing > > the new data to the file. If some other process--say, another > > invocation of the same script--tries to read from that file while > > you're still overwriting it--you've got problems, since it'll find > > only a partially-written file. > > > > That's called a 'race condition'. The other method avoids that, > > since while you're writing data to the temp file, processes just > > keep using the original. Once you're done, the rename happens > > atomically, preventing the race condition. > > What method do you use to get rid of the temporary file once you've used > it? It appears, from reading the man page, that the file is still > present in the directory specified in tempname(). > > > Erik <-- doesn't know much about working with files in PHP unlink(), or you could use tmpfile() instead. -- Torben Wilson <torben@php.net> http://www.thebuttlesschaps.com http://www.hybrid17.com http://www.inflatableeye.com +1.604.709.0506