Or
or performs a logical 'or' between two boolean values.
EXP_NUM1 or EXP_NUM2EXP_NUM1 | EXP_NUM2EXP_NUM1 and EXP_NUM2 are two numeric values. Any value that is not null is considered as true, while any null value is considered as false.CODECODE CODE # Test : does I=1 or J=2 ?If I = 1 or J = 2CONDITION_RESULT="the condition is true"ElseCONDITION_RESULT="the condition is false"Endif# Loop as long as integers I or J are non-null, avoiding an infinite loop.If I < 0 or J < 0ReturnElseWhile I and JI -= 1 : J -= 1:# Decrement I and JWendEndifor returns a boolean result that is 0 or 1, 0 being the value false and 1 to value true.
The result depends on the value of the following table:
| Value of EXP_NUM1 | Value of EXP_NUM2 | Value of (EXP_NUM1 or EXP_NUM2) |
|---|---|---|
| false (0) | false (0) | 0 (false). |
| false (0) | true (not equal to 0) | 1 (true). |
| true (not equal to 0) | false (0) | 1 (true). |
| true (not equal to 0) | true (not equal to 0) | 1 (true). |
or can be abbreviated as |.and, the first expression is evaluated first; if true, the next expression is not evaluated, and the result returns immediately true. This allows writing code such as the following example: # Returns 1 if a not zero default value is given, otherwise evaluate a formula to verify a not zero valueFunprog GET_VALUE(MY_FORMULA,DEFAULT_VALUE)Value Char MY_FORMULA()Value Integer DEFAULT_VALUEIf DEFAULT_VALUE<>0 or evalue(MY_FORMULA)))<>0End 1EndifEnd 0| Error | Description |
|---|---|
| 10 | Arguments are not numeric. |