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Check for and download updated file - Example - FileZilla

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Joe Winograd
50+ years in computers
Development•Sales
CIO•Document Imaging
EE — FELLOW 2017
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In a question here at Experts Exchange, a member posted this requirement:
Script to Download a File Daily if file changes or updates.
Through an exchange of posts, we clarified the requirements and decided to use the latest version of the popular FileZilla product as the test case. The solution that I present in this video Micro Tutorial is specific to FileZilla, but with minor tweaking, the method will work for other products at other sites.

I wrote the script in the AutoHotkey scripting language. If you are not familiar with it, this Experts Exchange article will get you going on it:

AutoHotkey - Getting Started

The video and the script do not address the issue of daily checking. This is easily achieved by running the script as a task in the Windows Task Scheduler, with a Trigger set for every day (or whatever frequency you want). If you are not familiar with the Task Scheduler, this EE article will get you started on it:

How to use the Windows Task Scheduler - An Introduction

Video Steps

1. Download and install AutoHotkey


Read this Experts Exchange article:
AutoHotkey - Getting Started

2. Download the DownloadLatestFileZilla script


Download the plain text DownloadLatestFileZilla.ahk file attached to this Step.

Use a text editor to change the DownloadFolder:="X:\FileZilla\" assignment statement to have the location that you want.

DownloadLatestFileZilla.ahk

3. Run the DownloadLatestFileZilla script


In Windows/File Explorer (or whatever file manager you use), double-click the DownloadLatestFileZilla.ahk file to run it.

The above works because a standard installation of AutoHotkey (done in Step 1) associates the .AHK file extension with the AutoHotkey program.

4. Confirm that the latest FileZilla version was downloaded


The first time you run the script it will download the latest FileZilla version to the folder that you specified in Step 2.

Confirm that the download occurred.

5. Run the DownloadLatestFileZilla script again


The second time that you run the script (assuming that there has not been a new release of FileZilla in the interim), the script should detect that the latest version has already been downloaded.

Confirm that this happens.

That's it! If you find this video to be helpful, please click the thumbs-up icon above. Thank you for watching!
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In this article, I would like to show how to grab a webpage's content in PowerShell to detect if there's any changes within an interval of time.
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