if: Difference between revisions
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* == for equal to - yes, you must use TWO equal signs to evaluate "is equal to" | * == for equal to - yes, you must use TWO equal signs to evaluate "is equal to" | ||
If you are checking for a text string, place quotes around the text. | If you are checking for a text string, place quotes around the text. You can find more information on these and other logical operations useful for the if function halfway down this page: http://rptools.net/doku.php?id=parser | ||
===Usage=== | ===Usage=== |
Revision as of 17:33, 14 January 2009
Function if
If testCondition evaluates to 0 then the result of falseExpr is returned, otherwise the result of trueExpr is returned. Note: both trueExpr and falseExpr are evaluated no matter what the result of testCondition is. You may want to consider using the [IF():] roll option instead.
Test condition notation:
- > for greater than
- < for less than
- >= for greater than or equal to
- <= for less than or equal to
- == for equal to - yes, you must use TWO equal signs to evaluate "is equal to"
If you are checking for a text string, place quotes around the text. You can find more information on these and other logical operations useful for the if function halfway down this page: http://rptools.net/doku.php?id=parser
Usage
[h: result = if(testCondition, trueExpr, falseCondition)]
Examples
[r: if(a>b, "A is larger than B", "A is not larger than B")]
[someProperty = if(variable>=1,20,"")]
Sets someProperty to 20 if variable is greater than or equal to 1, or makes it blank (but not empty) otherwise.
[someProperty = if(variable=="Text",1,0)]
Sets someProperty to 1 if variable contains the text string Text, 0 otherwise.