Dbarone.Net.Cron 1.0.0

dotnet add package Dbarone.Net.Cron --version 1.0.0
                    
NuGet\Install-Package Dbarone.Net.Cron -Version 1.0.0
                    
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Dbarone.Net.Cron" Version="1.0.0" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="Dbarone.Net.Cron" Version="1.0.0" />
                    
Directory.Packages.props
<PackageReference Include="Dbarone.Net.Cron" />
                    
Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add Dbarone.Net.Cron --version 1.0.0
                    
#r "nuget: Dbarone.Net.Cron, 1.0.0"
                    
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
#:package Dbarone.Net.Cron@1.0.0
                    
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.
#addin nuget:?package=Dbarone.Net.Cron&version=1.0.0
                    
Install as a Cake Addin
#tool nuget:?package=Dbarone.Net.Cron&version=1.0.0
                    
Install as a Cake Tool

Dbarone.Net.Cron

A simple .NET cron library.

Cron and Crontab

The cron command-line utility (cron job) is a job scheduler on Unix-like systems. Actions in cron are driven by a simple crontab (a table of cron values).

This utility provides a simple way in .NET to use basic 5-part crontabs, and get information about the next datetime calculated for the crontab. This library could be easily incorporated into a broader scheduling subsystem.

Refer to https://en.wikipedia.org/wiki/Cron for more information about the cron utility.

In this library, the crontab is defined using a standard 5-part CRON string:

Part Description Allowed Values
MIN The minute of the hour 0 - 59
HOUR The hour of the day 0 - 24
DOM The day of the month 1 - 31
MON The month of the year 1 - 12
DOW The day of the week 0 (Sun) - 6 (Sat)

Each part of the 5-part crontab string can accept the following types of value:

  • Single numeric value, for example '10'.
  • List or array of numbers, for example: '0,10,20,30,40,50' in the MIN field would mean every 10 minutes within the hour.
  • A range of numbers, for example '16-20' in the HOUR field would mean from 4pm to 8pm.
  • A repeating patten, for example '1/5' in the HOUR field would mean start at 1am and repeat every 5 hours (0100, 0600, 1100, 1600 2100).
  • Wildcard: a '*' in any field represents all possible values.

Some example CRON strings are:

CRON Meaning
0 0 1 1 * Run once a year at midnight on 1 Jan
0 0 1 * * Run once a month at midnight on the first day of the month
0 0 * * 0 Run once a week at midnight on Sunday morning
0 0 * * * Run once a day at midnight
0 * * * * Run every hour on the hour
* * * * * Run every minute

Using the library

The library is very simple to use, an example is shown below:

    // Create cron instance, passing in crontab.
    var cron = Cron.Create("0 0 * * 0");

    // Calculate next Datetime from now.
    var next = c.Next();
Product Compatible and additional computed target framework versions.
.NET net6.0 is compatible.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 was computed.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 was computed.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

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Version Downloads Last Updated
1.0.0 309 5/28/2022