running the script with parameter `--min-size` set, following error appered: `/usr/sbin/zfs-auto-snapshot: line 174: [: -gt: unary operator expected` Variable `$opt_verbose` is set by default to `''` which is definitely not an integer.
running the script with parameter
--min-sizeset, following error appered:/usr/sbin/zfs-auto-snapshot: line 174: [: -gt: unary operator expectedVariable
$opt_verboseis set by default to''which is definitely not an integer.