[Feature Request]: check/ck_disk_size: check if the disk of given fs path is not less than given size

[aronchanisme]

Is there an existing issue for the feature request?

• I have checked the existing issues.

Feature Description

check if the disk of given fs path is not less than given size

usage: 
check/ck_disk_size.sh <path> <size>, where,
- path: e.g. /data/
- size: format in [number_unit], where [unit] in k|K|m|M|g|G, default is M

example:
check/ck_disk_size.sh /data/ 1000M
check/ck_disk_size.sh /data/ 1000

output:
return 0: disk size >= given
return 1: disk size < given, or invalid usage

Feature Implementation

command: df

Additional information

No response