T4 template for executing a command

Ex.t4

<#@ assembly name="System.dll" #>

<#@ import namespace="System" #>
<#@ import namespace="System.Diagnostics" #>
<#@ import namespace="System.Runtime.InteropServices" #>
<#@ import namespace="System.Text.RegularExpressions" #>

<#+
    public string Ex(string cmd) {
        var escapedArgs = cmd.Replace("\"", "\\\"");

        var fileName = "/bin/bash";
        var arguments = $"-c \"{escapedArgs}\"";

        if(RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) {
            fileName = "cmd.exe";
            arguments = $"/C \"{escapedArgs}\"";
        }
        
        var process = new Process()
        {
            StartInfo = new ProcessStartInfo
            {
                FileName = fileName,
                Arguments = arguments,
                RedirectStandardOutput = true,
                UseShellExecute = false,
                CreateNoWindow = true,
            }
        };
        process.Start();
        string result = process.StandardOutput.ReadToEnd();
        process.WaitForExit();
        return result.Trim();
    }
#>