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Numeric Commands

Updated: tech writers Edited:

Add

Add>Value,Number

Adds Number to Value. Deprecated by Let for numeric calculations.

Interpreted as Value = Value + Number

Value must be a variable containing either a numeric or date value. Number can be either a literal number or a variable containing a numeric value.

For date values this function will add the number of days, represented in Number to the given date value.

Add Example

Let>Counter=5 Add>Counter,2

i.e. Counter=Counter+2

In this example the numeric variable, Counter, is given a new value of 7.

Let

Let>variable_name=value

Let is used to assign a value to a variable.

Where parameters are passed to commands, variables can also be passed. Variables can also be embedded within a parameter by enclosing the variable name within % symbols.

Let can also be used to perform basic calculations, and to concatinate strings. NB. If you want to assign to a variable a string that already contains a + sign, add an extra + sign to avoid the two strings being concatinated.

The value can contain a complex expression:

Complex Expressions must be contained within curly braces "{" and "}". String literals must be delimited with double quotes ("), e.g.: "string". Variables must be delimited with % symbols, e.g.: %VarA%.

Several types of operators and functions can be used with complex expressions. For more details see Complex Expressions.

Let Examples

Let>name=freddy Let>a=5 Let>path=c:\Program Files\ Run Program>%path%myapp.exe Let>k=k+1 Let>A=60-4 Let>A=5*3 Let>F=75/32 Let>Forename=John Let>Surname=Smith Let>Name=%Forename% %Surname% Name would now equal John Smith Let>MyVal={Upper("WorLd")} Let>MyVal={5 * 10 + 25} Let>d={%a%+%b%*%c%-23}

SetRoundMode

SetRoundMode>roundingmode

Sets the rounding mode for the Arithmetic "Round" function. Roundingmode can be one of:

  • 0: Round to Nearest (Default)
  • 1: Round Down
  • 2: Round Up
  • 3: Truncate

Sub

Sub>Value,Number

Substracts Number from a Value. Deprecated by Let for numeric calculations.

Interpreted as Value = Value - Number

Value must be a variable containing a numeric or date value. Number can be either a literal number or a variable containing a numeric value.

For date values this function will subtract the number of days, represented in Number from the given date value.

Sub Example

Let>Counter=5 Sub>Counter,2

i.e. Counter=Counter-2

In this example the numeric variable, Counter, is given a new value of 3.

Let>Counter=Counter-1

Will now do the same thing.

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