Langage des commandes Arbortext > Using the Arbortext Command Language > Logical Negation
Logical Negation
 
!
! $e returns a value of 1 if the value of $e is zero or null, indicating it is true. Otherwise returns 0 (zero), indicating it is not true.
The following operators are numeric and require numeric operands:
+, -, *, /, &, ^, |, <<, >>, %, ~, ++, and ––
Related Topics
• Functions as expressions and commands
• Using expressions
• Logical expressions
• Operands
Parent topic 
Using the Arbortext Command Language
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