nl_tokens: Parses the result for a wpa command over an interface .
pl_tokens: function parse_command_interface ( callback ) { return function ( error , stdout , stderr ) { if ( error ) { callback ( error ) ; } else { var output = parse_command_block ( stdout . trim ( ) ) ; if ( output . result === 'FAIL' ) { callback ( new Error ( <mask> . result ) ) ; } else { callback ( error , parse_command_block ( stdout . trim ( ) ) ) ; } } } ; }