nl_tokens: Get the name of the most recent log file
pl_tokens: function getOldestFilename ( callback ) { getLogFiles ( function ( err , files ) { if ( err ) { callback ( err , null ) ; } else if ( ! files || <mask> . length === 0 ) { return callback ( null , Date . now ( ) . toString ( ) . concat ( FILE_EXT ) ) ; } else { var file = _ . min ( files , function ( f ) { // Remove extension to get just the timestamp var ts = f . name . replace ( FILE_EXT , '' ) ; return parseInt ( ts , 10 ) ; } ) ; callback ( null , file . name ) ; } } ) ; }