![]() This works well - but you’re not done yet. It synchronizes files between two or more computers in real time, safely protected from prying eyes. You’re then reading each file into a for-each loop and checking to see which side must copy which files. Syncthing is a continuous file synchronization program. The output of Compare-Object will now contain all of the different files. ![]() To sync the folders, you must create a script like this: This is similar to how you would manage file system ACLs with PowerShell to identify and address what’s missing. Now, you must copy whatever files Compare-Object finds to the folder that doesn’t contain the file. Compare-Object shows that newfile1234.xml is in $Folder1 but not in $Folder2. In that example, you created a dummy file in $Folder1, making the folders out of sync. However, when you add a file to one of the folders, you’ll see that the folders are out of sync. If each collection is the same, it will output nothing. It will then look at each one and output which items are in the difference collection and which items in the reference collection are different.Ĭompare-Object -ReferenceObject $Folder1Files -DifferenceObject $Folder2Files A great PowerShell cmdlet to do this is Compare-Object, which allows you to specify two different collections. Now, you must compare the contents of both folders. $Folder1Files = Get-ChildItem -Path $Folder1Path $Folder2Files = Get-ChildItem -Path $Folder2Path 3. This will give you two collections to compare. ![]() Next, you must discover everything in each folder. Updates happen in real-time if the network location is available. This automatically creates a local cache on the machine and keeps it in sync both ways - i.e. $Folder1Path = ‘C:Folder1’ $Folder2Path = ‘C:Folder2’įor demonstration purposes, create these two folders and put 101 identical text files into each folder. Simply mark the Network folder as 'Always available offline' from the right-click context menu. Just as you would with websites and other URLs when managing IIS application pools, the first thing you must do when syncing files between folders is define each folder’s location. If you’re relatively new to PowerShell, consider trying out commands in a test folder first to avoid accidental data loss. This is why using a PowerShell script to accomplish syncing is the best option. Software syncing solutions can work, but they may not allow you to do everything you want.
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