Powershell ftp download first file in folder

More information about using regex in PowerShell can be found here and here. I am trying to download files from a site, sadly they are be generated to include the Epoch Unix timestamp in the file name.

Now as I am unable to replace the Epoch Unix timestamp portion of the file name with a wild card, I was wondering if there was a way to do the download based on the date modified field of the file?

Thanks for this. I plan to use this along with task scheduler to download a fresh file every week. However, the new file overwrites the older one. Is there a way to preserve the older file as well? Ken - You should be able to relatively easily - however, you'd have to download it first, since you can't get the file properties until you download it.

You could download it to a temp location, grab the LastWriteTime stamp and parse it to create your new name. Sumit - You have a similar situation. You'll also need to manage the old copies so you don't fill up your disk. Your email address will not be published. Notify me of followup comments via e-mail. You can also subscribe without commenting. Receive new post notifications. Member Leaderboard — Month. Member Leaderboard — Year. Author Leaderboard — 30 Days.

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I will drop it and move on. I did want a password and that was the problem in the Get-Help get-credential it specified now way to automate filling a password into the variable.

Unfortunately I wasn't going far enough as I hadn't looked at the System. Honestly when I did take a look at the System. Net page that you linked I was getting confused as it didn't offer powershell equivalent examples. This very well could be because I am a newb and don't entirely always understand what I am looking at in some of this documentation.

As far as the domain, this specific UNIX server is not a part of our domain. Again this was something not in the documentation that I could see.

As for the date field I just haven't had time to test anything else on it. As I stated above when I get a few minutes to work on this I will post back with my findings. I am still not getting the Where-Object to work correctly. Maybe I am just lost here, but it looks like to me it is saving the Modified Date portion as a text string.

This is why I wrote my own code. My code filters out the bad guys, Maybe if I get time later I will merge my listing code withthe module so it behaves better. This is the issue with all FTP transfers. Every ftpo server can have a different file list output. The default fo r my system is DOS format. YOur systems default to Unix format. Just alter the code to split the line type you receive either using RegeX or with simple string manipulation.

Once you can decompose your particular form of the TP return string you will have a usable function. Office Office Exchange Server. Not an IT pro? Internet Explorer TechCenter. Sign in. United States English. Ask a question. Quick access. Search related threads. Remove From My Forums. Answered by:. Archived Forums. The Official Scripting Guys Forum! If your answer is "yes," you know what to do.

Dive in and help somebody! If your answer is "no," welcome to our fun little world! We'd recommend that you first head over to the Script Center, get your feet wet, and then come back to either ask or answer questions.

We can't be everywhere at once we know—shocking! The Microsoft Scripting Guys 0 2. Sign in to vote. Now where I am stuck is that I need to be able to pull only part of the file name and put it back into a text file so FTP can use it to actually download the file I need this part : pre.

Is this even possible, can you help? Levi -Insanity is forever, sometimes, maybe Tuesday, October 18, PM. A quick update on this. Marked as answer by levi. Thursday, October 27, PM. Hi, It probably is possible, but it looks like nobody has the time to write it all for you :. Windows PowerShell and PowerShell comes with file-download capabilities. Using PowerShell to download files is a matter of knowing which cmdlets and. NET classes to use and how to use them. Since this is a learning-by-doing article, there are some prerequisites to ensure that you can follow the examples.

Below are the basic requirements. There are four methods to use PowerShell to download files that do not depend on third-party tools. These are:. Whichever one of these four methods you use, the logic and components to make them work are the same. If required by the webserver, you need to enter the credentials as well.

The next sections show each of these four methods. Whether the source location requires users to log in, the Invoke-WebRequest cmdlet can handle requests with credentials as well. To download a file, the syntax below shows the minimum parameters required to achieve the desired outcome. For example, the code below downloads a file with the name 10MB. You may copy the code below and paste it into your PowerShell session to test.

The demonstration below shows the expected result after running the code above in PowerShell. As you can see, the file download was successful. How about if the source requires authentication before allowing access? For example, the code below downloads a file from a private website where users must log in. If authentication is required, you should add a credential to the request using the -Credential parameter.

As you can see, the Get-Credential cmdlet prompted a PowerShell credential request. This time, using the credential with Invoke-WebRequest resulted in a successful download. A crucial thing to remember when using Invoke-WebRequest in Windows PowerShell is that, by default, this cmdlet uses the Internet Explorer engine to parse data.

The error below may happen when using Invoke-WebRequest on computers without the Internet Explorer in it. Specify the UseBasicParsing parameter and try again. Not an IT pro? Script Center. Sign in. United States English. Ask a question. Quick access. Search related threads. Remove From My Forums. Answered by:. Archived Forums. The Official Scripting Guys Forum! If your answer is "yes," you know what to do. Dive in and help somebody!

If your answer is "no," welcome to our fun little world! We'd recommend that you first head over to the Script Center, get your feet wet, and then come back to either ask or answer questions.