➜ ~ ./instant --version
instant version v0.3.0
Build OS: Mac OS X, 10.15.5, x86_64
With JVM: 11.0.6(Oracle Corporation Substrate VM GraalVM 20.0.0 CE)
Powered by Picocli 4.2.0
➜ ~ ./instant -d 2020-08-11
Unknown options: '-d', '2020-08-11'
Usage: instant [-hV] [-a=<duration>] [-f=<format>] [-z=<timeZone>]
-a, --add, --add-duration=<duration>
Add duration to instant. The format is 'PnDTnHnMn.nS'.
The 'P' is fixed char.
The 'nD' means days.
The 'T' is fixed char required if inputting times.
The 'nH' means hours.
The 'nM' means minutes.
The 'n.nS' means seconds and fractional seconds. The
fractional seconds is optional.
default: ''(empty)
-f, --format=<format> Specifies output format. Available values are 'unix'
or DateTimeFormatter pattern. default:
uuuu-MM-dd'T'HH:mm:ss.nX
-h, --help Show this help message and exit.
-V, --version Print version information and exit.
-z, --zone, --time-zone=<timeZone>
Specifies time-zone to show the time of instant.
Available values are integer(difference from UTC in
hours), zone ids(like PST8PDT, Asia/Tokyo).
default: null
➜ ~ ./instant --help
Usage: instant [-hV] [-a=<duration>] [-f=<format>] [-z=<timeZone>]
-a, --add, --add-duration=<duration>
Add duration to instant. The format is 'PnDTnHnMn.nS'.
The 'P' is fixed char.
The 'nD' means days.
The 'T' is fixed char required if inputting times.
The 'nH' means hours.
The 'nM' means minutes.
The 'n.nS' means seconds and fractional seconds. The
fractional seconds is optional.
default: ''(empty)
-f, --format=<format> Specifies output format. Available values are 'unix'
or DateTimeFormatter pattern. default:
uuuu-MM-dd'T'HH:mm:ss.nX
-h, --help Show this help message and exit.
-V, --version Print version information and exit.
-z, --zone, --time-zone=<timeZone>
Specifies time-zone to show the time of instant.
Available values are integer(difference from UTC in
hours), zone ids(like PST8PDT, Asia/Tokyo).
default: null