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- @FALSE -
- The logical value 0.
- @FILEEXISTS(S) -
- 1 if file S can be opened for
reading; otherwise 0.
- @IF(X, T, F) -
- The value of T if X evaluates
to on-zero, or F if X evaluates to zero.
- @ISERROR(X) -
- Returns 1 if X ``contains'' an error,
otherwise 0.
- @ISNUMBER(X) -
- 1 if X is a numeric value; otherwise
0.
- @ISSTRING(X) -
- 1 if X is a string value; otherwise
0.
- @TRUE -
- The logical value 1.
Next: 7.11.6 Digital Logic Functions
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Previous: 7.11.4 String Functions
NExS User's Guide, Version 1.4.5
Grey Trout Software
11 April 1999