算術
let
#!/usr/bin/env bash
let NUMBER1=10
let NUMBER2=3
# Addition => + operator
let ADD=$NUMBER1+$NUMBER2
echo "Addition of two numbers : ${ADD}"
# Subtraction => - operator
let SUB=$NUMBER1-$NUMBER2
echo "Subtraction of two numbers : ${SUB}"
# Multiply => * operator
let MUL=$NUMBER1*$NUMBER2
echo "Multiply two numbers : ${MUL}"
# Divide => / operator
let DIV=$NUMBER1/$NUMBER2
echo "Division of two numbers : ${DIV}"
# Remainder => % operator
let REM=$NUMBER1%$NUMBER2
echo "Remainder of two numbers : ${REM}"
# Exponent => ** operator
let EXPO=$NUMBER1**$NUMBER2
echo "Exponent of two numbers : ${EXPO}"