let - Evaluate arithmetic expression
Synopsis
let arg ...
Description
You can use let to evaluate each arg as an arithmetic expression. You may need to quote each arg since many arithmetic operators have a special meaning to qsh.
Operands
Each arg is evaluated as an arithmetic expression.
Exit status
- 0 when the value of the last expression is non-zero
- 1 when the value of the last expression is zero
Add one to the variable x.
let x=x+1