Setting and using variable within same command line in Windows cmd.exe

Note that would not work. Nor would You would need: the option, to enable delayed environment variable expansion using as delimiter. no space between a command and the (or add quotes) That is: As noted below by maoizm, it is , not (which would not work) I can't think of any practical reason you'd ever actually want this within the context of a single command Typically, you need this when you have to replace a value used multiple times in a long command line. For instance, to deploy a file to Ne…