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I have a pretty basic powershell copy script that copies items from a source folder to a destination folder. However this is moving way too much data, and I'd like to check if the filename already exists so that file can be ignored. I don't need this as complex as verifying created date/checksum/etc.
Currently it's along the lines of:
Copy-Item source destination -recurse
Copy-Item source2 destination2 -recurse
I'd imagine I need to add the Test-Path cmdlet, but I'm uncertain how to implement it.
732
Robocopy normally overwrites those. :: /XO excludes existing files older than the copy in the source directory. Robocopy normally overwrites those. :: With the Changed, Older, and Newer classes excluded, Robocopy will exclude files existing in the destination directory.
By default when you run the PowerShell Copy-Item cmdlet, it will overwrite the file if it is already exists.
The Move-Item cmdlet moves an item, including its properties, contents, and child items, from one location to another location. The locations must be supported by the same provider. For example, it can move a file or subdirectory from one directory to another or move a registry subkey from one key to another.
Copy and paste filesRight-click and pick Copy, or press Ctrl + C . Navigate to another folder, where you want to put the copy of the file. Click the menu button and pick Paste to finish copying the file, or press Ctrl + V . There will now be a copy of the file in the original folder and the other folder.
You could always call ROBOCOPY from PowerShell for this.
Use the /xc (exclude changed) /xn (exclude newer) and /xo (exclude older) flags:
robocopy /xc /xn /xo source destination
This will ONLY copy those files that are not in the destination folder.
For more option type robocopy /?
87
$exclude = Get-ChildItem -recurse $dest
Copy-Item -Recurse $file $dest -Verbose -Exclude $exclude
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