Get-ChildItem *.txt| Rename-Item -NewName { $_.Name -replace '\.txt','.log' }
Get-ChildItem *.txt| Rename-Item -NewName { $_.Name -replace '\.txt','.log' }
Get-ChildItem *.txt| Rename-Item -NewName { $_.Name -replace '\.txt','.log' }
Get-ChildItem *.txt| Rename-Item -NewName { $_.Name -replace '\.txt','.log' }