https://github.com/keilerkonzept/cron-wait

Waits (once) until a given cron expression would trigger. single binary, no dependencies. osx & linux & windows. #golang #cli
https://github.com/keilerkonzept/cron-wait

cli cron crontab golang self-contained wait

Last synced: 29 days ago
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Waits (once) until a given cron expression would trigger. single binary, no dependencies. osx & linux & windows. #golang #cli

• Host: GitHub
• URL: https://github.com/keilerkonzept/cron-wait
• Owner: keilerkonzept
• Created: 2020-07-09T21:01:08.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2023-03-18T05:56:03.000Z (almost 2 years ago)
• Last Synced: 2024-06-21T16:41:40.680Z (6 months ago)
• Topics: cli, cron, crontab, golang, self-contained, wait
• Language: Go
• Homepage:
• Size: 249 KB
• Stars: 1
• Watchers: 2
• Forks: 0
• Open Issues: 1
• Metadata Files:
  • Readme: README.md

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README

        
# cron-wait

A tiny tool that waits until a given cron expression would trigger, and then just exits. If multiple expressions are given, it waits until the _first_ (earliest) match.

![image](doc/screenshot.png)

## Examples

```sh

$ cron-wait "*/5 * * * *"

[cron-wait] 2020/07/10 11:59:29.965045 waiting 30.035156s until next match (2020-07-10T12:00:00+02:00) of cron expression ["*/5 * * * *"]

[cron-wait] 2020/07/10 12:00:00.966919 done

```

```sh

$ cron-wait -print-next-match-and-exit "*/3 * * * *"

2020-07-10T12:48:00+02:00

```

```sh

$ cron-wait -print-delta-and-exit "@hourly"

3308.674034

```

## Contents

- [Get it](#get-it)

- [Usage](#usage)

## Get it

Using go get:

```bash

go get -u github.com/keilerkonzept/cron-wait

```

Or [download the binary for your platform](https://github.com/keilerkonzept/cron-wait/releases/latest) from the releases page.

## Usage

```text

cron-wait [OPTIONS] [CRON_EXPRESSION [CRON_EXPRESSIONS...]]

Usage of cron-wait:

  -dots

    	Print dots to stdout while waiting

  -format string

    	Timestamp format (default "2006-01-02T15:04:05Z07:00")

  -print-delta-and-exit

    	Only print the duration (in seconds) until the next expression match and exit (without waiting)

  -print-next-match-and-exit

    	Only print the timestamp of the next expression match and exit (without waiting)

  -q	(alias for -quiet)

  -quiet

    	Suppress all output

```