shell脚本基本语法

#创建 game.sh 测试脚本
player1=xiaoming;
player2=ken
echo "Game Start! $player1 and $player2"

if ls -l game.sh;then
        echo "ls return true"
else
        echo "ls return false"
fi

if [ "$1" = "me" ];then
        echo "you are male..."
else
        echo "$1 is female..."
fi

for num in 1 2 3 4 5 six
do
        echo "method1:num = $num"
done


for ((num =1;num <7;num++))
do
        echo "method2:num = $num"
done

while  [ "$1" = "me" ];
do
        echo "hello $1"
        break
done

i=7
j=10
while [ $i -lt $j ]
do
        echo "num1 = $i, num2 = $j"
        ((i++))
done

执行 bash game.sh me 运行效果：

shell脚本基本语法