Script corrupted by PowerGUI Script Editor 3.0.0

PS C:\Users\johan.andersson> cat S:\Scripts\Build\get-assemblyversion.ps1
<#
.SYNOPSIS
        Reads the AssemblyVersion attribute from a .CS file and returns an object consisting of the version
.DESCRIPTION
        Specify the path to the .CS file
#>
param( [string] $assemblyInfoFile )

$version = "" | select Major, Minor, Build, Revision

gc $assemblyInfoFile | %{
        if( $_ -match "AssemblyVersion(Attribute)?\s*\(\s*`"([0-9]+).([0-9]+).([0-9]+).([0-9]+)`"\s*\)" ) {
                $version.Major = $matches[2]
                $version.Minor = $matches[3]
                $version.Build = $matches[4]
                $version.Revision = $matches[5]
        }
}

$versionmatch "AssemblyVersion(Attribute)?\s*\(\s*`"([0-9]+).([0-9]+).([0-9]+).([0-9]+)`"\s*\)" ) {
                $version.Major = $matches[2]
                $version.Minor = $matches[3]
                $version.Build = $matches[4]
                $version.Revision = $matches[5]
        }
}

$versionatches[2]
                $version.Minor = $matches[3]
                $version.Build = $matches[4]
                $version.Revision = $matches[5]
        }
}

$versionsion5]

        }
}