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Sometimes, you may want to execute a program or a script each time WPKG runs (for example, to clean up a temp directory, synchronize time etc.).
To do this, use <code>execute="always"</code>.
Another approach is when you want to execute a program or a script only once (for example, you want to remove a directory, set up permissions, or you're unable to produce any file or registry check).
To do this, use <code>execute="once"</code>.
Below, an example for execute="always":