#!/bin/bash

Hello(){

echo "Url is http://see.sidian.edu.cn/cpp/shell/"

}

# Invoke your function

Hello

funWithReturn(){

echo "The function is to get the sum of two numbers..."

echo -n "Input first numbers:"

read aNum

echo -n "Input another numbers:"

read anotherNum

echo "The two numbers are $aNum and $anotherNum !"

return $(($aNum+$anotherNum))

}

funWithReturn

# Capture value returned by last command

ret=$?

echo "The sum of two numbers is $ret !"

# calling one function from another

number_one(){

echo "Url_1 is http://see.xidian.edu.cn/cpp/shell/"

number_two

}

number_two(){

echo "Url_2 is http://see.xidian.edu.cn/cpp/u/xitong/"

}

number_one

funWithParam(){

echo "The value of the first parameter is $1 !"

echo "The value of the second parameter is $2 !"

echo "The value of the tenth parameter is $10 !"

echo "The value of the tenth parameter is ${10} !"

echo "The value of the eleventh parameter is ${11} !"

echo "The amount of the parameters is $# !" # 参数个数

echo "The string of the parameters is $* !" # 传递给函数的所有参数

}

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