replace string in multiple fils

Hi Sir,

Please:
I have to replace the string "SkyDrive" ou similaire to "OneDrive" in all scripte fils...

I don't get any result ...

Many thanks for your help, 
My beste Regards

Arnold

cls

$includes = "C:\MMC\*.ps1"
$find = "SkyDrive" # or similairy
$replace = "OneDrive"

function Replace-String($find, $replace, $includes)
 {
 get-childitem $includes | select-string $find -list |% { (get-content $_.LiteralPath) |% { $_ -replace $find, $replace } | set-content $_.LiteralPath }
 }
 
 
 Replace-String