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how to add extension to all files in a list

how do i add an extension to my files in a list?

$proj_files = (
"C:\test\122\338\7\1326647",
"C:\test\122\339\8\1326650"
)


ForEach ($file in $proj_files) {
$filenew = $file.Name + ".jpg"
Rename-Item $file $filenew
}

as with this I can get to add extensions to it, but it also then removes the name of the file so how do I just add the extension to it

Solution

  • $filenew should just be ".jpg" above. This is because $file.Name should be blank. The $file object is a single string from the array of strings in $proj_files. Remove .Name and it will probably work fine.

    If you want to know what $file has, or is, pipe it to | Get-Member.