DOKK / manpages / debian 11 / php-sabre-dav / naturalselection.py.1.en
NATURALSELECTION(1) User Commands NATURALSELECTION(1)

naturalselection - keep cache directories below a specified threshold

naturalselection.py [options] cacheDirectory

Cache directory manager. Deletes cache entries based on accesstime and free space thresholds. This utility is distributed alongside SabreDAV.

show program's version number and exit
show this help message and exit
Don't actually make changes, but just simulate the behaviour
How many times to check before exiting. -1 is infinite, which is the default
Sleep time in seconds (default = 5)
Threshold in bytes (default = 10737418240, which is 10GB)
Minimum number of bytes to erase when the threshold is reached. Setting this option higher will reduce the amount of times the cache directory will need to be scanned. (the default is 1073741824, which is 1GB.)
October 2020 naturalselection v0.3