$match = "MyAssembly" 
$replacement = Read-Host "Please enter a solution name"
 
$files = Get-ChildItem $(get-location) -filter *MyAssembly* -Recurse
 
$files |
    Sort-Object -Descending -Property { $_.FullName } |
    Rename-Item -newname { $_.name -replace $match,$replacement } -force
 
 
 
$files = Get-ChildItem $(get-location) -include *.cs,*.csproj,*.sln -Recurse 
 
foreach($file in $files) 
{ 
    ((Get-Content $file.fullname) -creplace $match,$replacement) | set-content $file.fullname 
}
 
read-host -prompt "Done! Press any key to close."