for keeping the log files small. Tip: You can get the same list with list(f). The most accurate way to measure changes to a file is to directly compare the new version of the file to the old version. You could check a file, decide that it is not in use, then just before you open it another process (or thread) leaps in and grabs it (or even deletes it). That solves the problems brought up in the comments to his answer. Working with files is an important skill that every Python developer should learn, so let's get started. This is a huge advantage during the process of debugging. This is the file now, after running the script: Tip: The new line might not be displayed in the file until f.close() runs. I did some research in internet. If the file is in use, then the other process (assuming it isn't your application that is holding it - if you get this with every file, then it may be) has an exclusive lock on the file. while I vim a file, but it returned False. How to increase the number of CPU in my computer? Awesome, right? There has another thread also will regularly to process these log files. En Wed, 07 Mar 2007 02:28:33 -0300, Ros
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