Replace text in many files

Replace-VersionInSolution.ps1

$rootDir = "C:\Users\pawel\dev\blabla"
$majorVersion = "42"
Get-ChildItem $rootDir -File -Recurse `
| Where-Object { $_.Name -match ".(csproj|cs|nuspec|config)$" } `
#| % { write $_.FullName }
| ForEach-Object {
    $content = Get-Content -Encoding utf8 $_.FullName
    $content = $content.Replace("Namespace.VX", "Namespace.V$($majorVersion)")
    Set-Content -Encoding utf8 $_.FullName $content
}