<dir> : Path to the directory containing images to be imported
Options:
---extensions=<exts> Comma-separated list of allowable extensions, defaults to \$wgFileExtensions
+--extensions=<exts> Comma-separated list of allowable extensions, defaults to \$wgFileExtensions
--overwrite Overwrite existing images with the same name (default is to skip them)
--limit=<num> Limit the number of images to process. Ignored or skipped images are not counted.
--from=<name> Ignore all files until the one with the given name. Useful for resuming