Command executes a command in shell and returns it's output, it's block version.

CommandBuilder creates a Cmd object and returns it accepts 2 parameters, one is optionally first parameter is the command (string) second variatic parameter is the argument(s) (slice of string) the difference from the normal Command function is that you can re-use this Cmd, it doesn't execute until you call its Command function.

Exists returns true if directory||file exists.

MustCommand executes a command in shell and returns it's output, it's block version.

NodeModuleAbs returns the absolute path of the global node_modules directory + relative.

NodeModuleExists returns true if a module exists here we have two options1 .

NodeModuleInstall installs a module.

NodeModulesPath sets the root directory for the node_modules and returns that.

NodeModuleUnistall removes a module.

PathSeparator is the string of os.PathSeparator.