Execute a system command, just like `os.execute()`, but accepting a format string and values as arguments. ```lua os.executef("format", ...) ``` ### Parameters ### `format` is a printf-style formatting string (see Lua's [string.format()](http://stackoverflow.com/questions/1811884/lua-string-format-options) for examples), followed by a corresponding list of values for token substitution. ### Return Value ### The return value of the executed command. ### Availability ### Premake 5.0 or later. ### See Also ### * [os.outputof](os.outputof.md)