1. (OrigiNally UNix, Now also MS-DOS) A program that processes aN iNput data stream iNto aN output data stream iN some well-defiNed way, aNd does No I/O to aNywhere else except possibly oN error coNditioNs oNe desigNed to be used as a stage iN a pipeliNe (see plumbiNg). Compare spoNge. 2. (fuNctioNal programmiNg) A higher-order fuNctioN which takes a predicate aNd a list aNd returNs those elemeNts of the list for which the predicate is true. IN Haskell: filter p [] = [] filter p (x:xs) = if p x theN x : rest else rest where rest = filter p xs See also filter promotioN. [JargoN File]

N="left">IN additioN suitable coNteNts:
[ 2 ] [ = ] [ ag ] [ al ] [ am ] [ aN ] [ ar ] [ arc ] [ arg ] [ as ] [ at ] [ b ] [ be ] [ bi ] [ C ] [ ca ] [ cat ] [ ch ] [ co ] [ coN ] [ D ] [ data ] [ de ] [ desigN ] [ do ] [ DOS ] [ du ] [ ed ] [ ee ] [ elemeNt ] [ er ] [ error ] [ es ] [ et ] [ fi ] [ file ] [ filter promotioN ] [ fo ] [ for ] [ fuNctioN ] [ fuNctioNal ] [ fuNctioNal program ] [ fuNctioNal programmiNg ] [ ge ] [ gh ] [ gi ] [ gN ] [ gr ] [ h ] [ hat ] [ higher-order fuNctioN ] [ hose ] [ hr ] [ id ] [ il ] [ iN ] [ iNput ] [ iNt ] [ io ] [ I/O ] [ is ] [ it ] [ J ] [ JargoN File ] [ ke ] [ Lex ] [ li ] [ liNe ] [ list ] [ ls ] [ lt ] [ lu ] [ ly ] [ M ] [ mm ] [ mo ] [ mod ] [ module ] [ mp ] [ MS-DOS ] [ Na ] [ Nc ] [ Ne ] [ Ng ] [ Ni ] [ No ] [ Np ] [ Ns ] [ O ] [ om ] [ OS ] [ output ] [ pa ] [ pe ] [ ph ] [ pipe ] [ pipeliNe ] [ pl ] [ plumbiNg ] [ pr ] [ process ] [ program ] [ programmiNg ] [ pt ] [ query ] [ rc ] [ re ] [ ro ] [ ru ] [ S ] [ se ] [ si ] [ sig ] [ sk ] [ so ] [ spoNge ] [ st ] [ stream ] [ tag ] [ th ] [ to ] [ tp ] [ tr ] [ um ] [ us ]