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Related Syntax | ||
operator |
! (not) |
Return type: Switch
Returns: True or false.
Syntax
(not | !) test-expression
A logical operator that simply negates its operand. The resulting expression returns false if the operand evaluated to true, and vice versa. You may use either the exclamation mark ! or the word not
for this operator.
Usage example:
do when a < b and ! (c < d) ... done
Related Syntax |
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