system

 

 

Overview

The system function sends a string command to the host operating system. The string command must be a valid command phrase in the language of the host operating system. The contents of the command string are host operating system dependent.

Usage

The system function allows access to the command language of the host operating system.

 

Syntax

Expression:

(system command)


Arguments Name Type Description
Argument:commandText String ByteVector A valid command phrase in the host operating system command language.

Returns:

Zero if there was no error, or an error code.

 

Examples

Here are a number of links to Lambda coding examples which contain this instruction in various use cases.

 

Argument Types

Here are the links to the data types of the function arguments.

ByteVector Text String Integer

Here are also a number of links to functions having arguments with any of these data types.

++ += + /=
/ *= * --
-= - addMethod addi
appendWriteln append avg badd
balance bdiv binaryInsert binaryNand
binaryNor binaryNot binaryNxor binarySearch
bitwiseAnd bitwiseNand bitwiseNor bitwiseNot
bitwiseNxor bitwiseOr bitwiseShiftLeft bitwiseShiftRight
bitwiseXor bmod bmul boolean
cadd cdiv char character
clean closeLog cmod cmul
code compareEQ compareGE compareGT
compareLE compareLT compareNE compare
comparison compress cons count
csub date day days360
debugBrowsableProcs debugDetective debugEval decode
deleteRows delete dimension disassemble
display divi downcase encode
evalInSyncLocalContext eval exit exportCsv
exportSbf exportTab fact fdisplay
fileClose fileCopy fileDir fileDisplay
fileEraseDir fileErase fileExists fileMakeDir
fileOpen fileReadAll fileReadRecord fileRead
fileResize fileSeek fileSizeOf fileWriteAll
fileWrite filewriteln findBlock find
floor fraction freeBlock gcd
getRecursionCount hashString hour iadd
icompareEQ icompareGE icompareGT icompareLE
icompareLT icompareNE idiv imod
importCsv importSbf importTab imul
insertRows insert inside inspect
integer isAtom isBitVector isBoolean
isBound isByteVector isCharAlphabetic isCharAlphanumeric
isCharLowercase isCharName isCharNumeric isCharUppercase
isCharWhitespace isChar isCharacter isComplex
isDate isDictionary isDirectory isEqual
isError isEven isFloatVector isIdentical
isInside isIntegerVector isInteger isLambda
isMatrix isMember isMoney isNumberMatrix
isNumberVector isNumber isObjectVector isObject
isPair isPcodeVector isString isStructure
isSymbol isText isType isVector
isub julian kurtosis lcm
left length list loadModule
loadObject loadWorkspace macroReplace makeQuotedList
makeQuotedSymbol max median member
mid min minute mod
modi money month muli
new number objectToMatrix objectToNumMatrix
objectToNumVector offset openLog pair
parent parse pointer preAllocateFixedMemoryBlocks
product qt random randomize
range rank refAttributes refValues
ref remove replace rept
resize right round run
saveImmediate saveModule saveObject saveRepository
saveWorkspace second setAttributes setBlock
setCar setCdr setLastCdr set
setf setq sizeof skew
sort sql sqrt srandom
stdev stdevp stringCiEQ stringCiGE
stringCiGT stringCiLE stringCiLT stringCiNE
stringFill stringToBVector stringToVector string
subi submit substitute substringCiEQ
substringCiGE substringCiGT substringCiLE substringCiLT
substringCiNE substringEQ substringFill substringGE
substringGT substringLE substringLT substringNE
substring sum sumsqr svmRegression
symbolToTypeCode symbol system text
time trim type uncompress
uniqueInsert upcase var varp
vectorBinaryInnerProduct vectorBipolarInnerProduct vectorCosineInnerProduct vectorCubeInnerProduct
vectorDelete vectorExpInnerProduct vectorFill vectorInnerProduct
vectorLogInnerProduct vectorQuartInnerProduct vectorQuintInnerProduct vectorSigmoidInnerProduct
vectorSineInnerProduct vectorSquareInnerProduct vectorTanInnerProduct vectorTanhInnerProduct
writelg writeln year

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