public void Execute(ShellContext ctx)
{
string cmd = m_args[0];
m_args.RemoveAt(0);
if (ctx.Environment.BuiltInCommandExists(cmd))
{
ctx.Environment.ExecBuiltInCommand(cmd, m_args.ToArray());
}
else
{
var path = ctx.Environment.FindApplicationInPath(cmd);
if (string.IsNullOrEmpty(path))
{
ShellEnvironment.WriteErrorLine($"{cmd} is not a built-in command and could not be found on the PATH or in the current directory.");
}
else
{
ctx.Environment.RunProgram(cmd, m_args.ToArray());
}
}
}
static void Main(string[] args)
{
ShellEnvironment shenv = new ShellEnvironment(args);
shenv.Run();
}
public ShellContext(ShellEnvironment env)
{
Environment = env;
}