nl_tokens: filter all none . kju files out of the array .
pl_tokens: function filter ( <mask> , files ) { if ( err ) return self . emit ( 'error' , err ) ; var kjud = files . filter ( function filterfiles ( file ) { return ( / (\d)\.kju$ / ) . test ( file ) ; } ) ; // if we don't have any files we don't really need to emit 'recovered' so // no need to check for the length here. We are only gonna use the length // if there are files. processed = kjud . length ; kjud . forEach ( read ) ; }