Cron Job Once Per Day On Wednesday to Friday (Crontab)

This page will help you quickly and easily set up a cron job to run once per day on Wednesday to Friday.

The Cron Job/Crontab

To have your task run at this frequency, use the following cron:

0 0 * * 3-5

This cron command translates to the following (in Human-Readable format):

“Once per day on Wednesday to Friday.”

What is a Cron Job & Crontab?

A cron job is a time-based task that is typically set up to run automatically at regular intervals. For example, a cron job might be used to send out a daily email report or to back up files every night.

Crontab files are typically stored in the /etc/crontab file, but they can also be stored in individual user’s home directories. To edit your own crontab file, you can use the command “crontab -e”. This will open up the file in your default text editor.

Cron Fields

Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “once per day on Wednesday to Friday“:

  • Field 1: (0) indicates that the task will be run at minute 0.
  • Field 2: (0) indicates that the task will be run at hour 0 (12 am).
  • Field 3: (*) indicates that the task will be run every day of the month.
  • Field 4: (*) indicates that the task will be run every month.
  • Field 5: (3-5) indicates that the task will be run every Wednesday to Friday.
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    FUN FACT: You can use cron to schedule just about anything!.

    Use Cases

    You might want to set up a crontab or cron job to run once per day on Wednesday to Friday for several reasons, including:

    • Automatically update a software application
    • Perform routine system maintenance tasks, such as log rotation
    • Fetch data from an external source on a regular basis
    • Generate reports or analytics at regular intervals

    Similar Cron Jobs

    You might also want to run a crontab:

    FUN FACT: Cron jobs are used to schedule commands or scripts to run automatically at a specified time and date..

    Wrapping Up

    In this article, you learned how to set up a cron job that runs once per day on Wednesday to Friday. Please share this page with friends and colleagues if you find it useful.

    If you have any questions, please don’t hesitate to comment below.

    If you are looking for cron jobs that run at certain minutes, hours, days, weekdays, or months, or if you are looking for miscellaneous cron jobs, then check out our relevant sections, or visit our cron job cheat sheet for a list of hundreds of popular cron jobs.

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