What’s the functionality of the dry-run option in the optparse module of Python?
What’s the functionality of the dry-run option in the optparse module of Python?
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What’s the functionality of the dry-run option in the optparse module of Python?
Dry run is a generic expression in many fields, including computing, meaning that a certain operation should be performed or simulated limiting its dangerous effects.
It is up to you to associate that option to something meaningful in your code. For example: if your script normally removes files from the hard drive, the
--dry-runoption should only print out a list of the files that would have been deleted if the script would have been ran without the--dry-runoption.--dry-runis just a conventional name for that option, but you could implement the same functionality with any other name (e.g--simulate-onlyor--dont-screw-up).