<< obj1 extension obj2 >> array of object obj1; object obj2; The first element of the obj1 should be the key word tag. << extension >> is used to install a new function to a system. cf.ext.c and plugin/ [(parse) string] extension result-integer [(chattr) num literal] extension result-object [(chattrs) num ] extension result-object [(date)] extension date-string [(defaultPolyRing) num ] extension result-object [(flush) ] extension null [(getAttribute) obj key] extension value [(getAttributeList) obj] extension attrList [(getpid) ] extension result-integer [(getenv) envName] extension valueOfEnvName [(gethostname) ] extension myhostname [(stat) fname] extension v v = [null,[(error no), p]] or [0, [size ]] [(forkExec) argList fdList sigblock] extension pid [(getattr) literal] extension attr [(getchild)] extension listOfPid (generated by forkExec) [(keywords) ] extension array-of-names-of-primitives [(nobody) ] extension null [(newMatrix) m n] extension mat [(newVector) m ] extension vec [(getUniqueFileName) path] extension newName [(or_attr) atr literal] extension new_value [(or_attrs) atr ] extension result-obj [(outputObjectToFile) path obj] extension null [(ostype)] extension list [(quiet) flag] extension int [(setAttribute) obj key value] extension new-attributed-obj [(setAttributeList) obj attrList] extension new-attributed-obj [(stringToArgv) sobj] extension decomposed_str cf. to_records [(stringToArgv2) sobj separator] extension decomposed_str cf. to_records [(read) fd size] extension string [(regexec) regular_expression stringArray flags(opt)] extension list [(regionMatches) string stringArray] extension list [(traceClearStack)] extension null [(traceShowStack)] extension str [(traceShowScannerBuf)] extension str [(unlink) fname] extension r See also plugin-* in ?? by [(plugin)] usages :: See also (extension-examples) usage ::