Bash Bash Arithmetic
Syntax
-
$(( EXPRESSION )) - Evaluates expression and returns its result.
-
expr EXPRESSION - Prints result of EXPRESSION to stdout.
Parameters
| Parameter | Details |
|---|---|
| EXPRESSION | Expression to evaluate |
Remarks
A space (" ") is required between each term (or sign) of the expression. "1+2" won't work, but "1 + 2" will work.
