grimpirate

The second and third option would not be viable as my forum script needs to remain portable and no client/server communication is necessary. What I'm trying to achieve is a database that locks files so as to prevent accidental overwriting.

This is what I understood in a stepwise fashion:

1. generate a temporary unique filename in the location of interest
2. move said file to another temporary location
3. work on temporary file in temporary location
4. move temporary file back to location of interest
5. analyze original file and determine what to do with temporary file

I'm not so sure I'd know where to begin in order to generate a unique filename, it would seem to me that if they're just randomly generated without any inter-dependancy then they might collide. Something like rfc4122 uuids for instance.

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