#command-line #string #date #different #interface #command-line-interface #epochs

app epochs-cli

Check strings given on the command line against different epochs

5 releases (3 breaking)

0.5.0 Sep 2, 2022
0.4.1 Jun 26, 2022
0.4.0 Jun 26, 2022
0.3.0 Jun 24, 2022
0.2.0 Jan 19, 2020

#116 in #different

MPL-2.0 license

16KB
303 lines

epochs-cli

Command-line interface to the epochs crate

This takes strings off the command line and tries to interpret them as dates using the various methods that the epochs crate knows.

Install with

$ cargo install epochs-cli

This installs a binary called just epochs.

$ epochs --help
epochs-cli 0.4.1
Tim Heaney <oylenshpeegul@gmail.com>
Check strings given on the command line against different epochs.

USAGE:
    epochs [OPTIONS] [CANDIDATES]...

ARGS:
    <CANDIDATES>...    Strings to test for epochness

OPTIONS:
    -d, --debug
            Activate debug mode

    -h, --help
            Print help information

        --max <MAX>
            Don't report dates after this [default: 2100-12-31]

        --min <MIN>
            Don't report dates before this [default: 2000-01-01]

    -o, --output-format <OUTPUT_FORMAT>
            Desired format for output [default: text] [possible values: json, json-pretty, text]

    -v, --verbose
            Verbose mode (-v, -vv, -vvv, etc.)

    -V, --version
            Print version information

Give it a number and it tries to interpret it as a date.

$ epochs 1234567890

1234567890 Decimal
  cocoa => 2040-02-14T23:31:30
  google calendar => 2007-03-16T23:31:30
  unix => 2009-02-13T23:31:30

Use the --max and --min options to change the amount of output.

$ epochs 1234567890 --min=1900-01-01 --max=2020-12-31

1234567890 Decimal
  apfs => 1970-01-01T00:00:01.234567890
  google calendar => 2007-03-16T23:31:30
  java => 1970-01-15T06:56:07.890
  mozilla => 1970-01-01T00:20:34.567890
  unix => 2009-02-13T23:31:30

1234567890 Hexadecimal
  apfs => 1970-01-01T00:01:18.187493520
  java => 1972-06-23T22:44:53.520
  mozilla => 1970-01-01T21:43:07.493520

You can give it more than one thing to search for at a time.

$ epochs 39857.980209 1234567890 33c41a44-6cea-11e7-907b-a6006ad3dba0

39857.980209 Float
  icq => 2009-02-13T23:31:30.057

1234567890 Decimal
  cocoa => 2040-02-14T23:31:30
  google calendar => 2007-03-16T23:31:30
  unix => 2009-02-13T23:31:30

33c41a44-6cea-11e7-907b-a6006ad3dba0 Uuid
  uuid_v1 => 2017-07-20T01:24:40.472634

It uses serde to give the output in JSON if you prefer.

$ epochs 39857.980209 1234567890 33c41a44-6cea-11e7-907b-a6006ad3dba0 --output-format=json-pretty
[
  {
    "source": "39857.980209",
    "viewed_as": "Float",
    "epochs": {
      "icq": "2009-02-13T23:31:30.057"
    }
  },
  {
    "source": "1234567890",
    "viewed_as": "Decimal",
    "epochs": {
      "unix": "2009-02-13T23:31:30",
      "cocoa": "2040-02-14T23:31:30",
      "google calendar": "2007-03-16T23:31:30"
    }
  },
  {
    "source": "1234567890",
    "viewed_as": "Hexadecimal",
    "epochs": {}
  },
  {
    "source": "33c41a44-6cea-11e7-907b-a6006ad3dba0",
    "viewed_as": "Uuid",
    "epochs": {
      "uuid_v1": "2017-07-20T01:24:40.472634"
    }
  }
]

It will check for UUID versions 6 and 7 timestamps too. These re-use uuid_v1 and java timestamps from the epochs crate.

$ epochs 1EC9414C-232A-6B00-B3C8-9E6BDECED846 017F22E2-79B0-7CC3-98C4-DC0C0C07398F

1EC9414C-232A-6B00-B3C8-9E6BDECED846 Uuid
  uuid_v6 => 2022-02-22T19:22:22

017F22E2-79B0-7CC3-98C4-DC0C0C07398F Uuid
  uuid_v7 => 2022-02-22T19:22:22

It will also check for ULIDs. These have java timestamps too, but everything is base32-encoded.

$ epochs 01FWHE4YDGFK1SHH6W1G60EECF

01FWHE4YDGFK1SHH6W1G60EECF Ulid
  ulid => 2022-02-22T19:22:22

Dependencies

~5.5–8MB
~138K SLoC