Shell Tutorial

  

 

Shell 变量

#----------------------------------------------------------------------
#	http://www.runoob.com/linux/linux-shell-variable.html
#	Shell 变量
#----------------------------------------------------------------------
string="runoob  is a great site"
echo ${#string}
echo ${string:2:8}
echo ${string}
echo `expr index "$string" is`

array_name=(value0 value1 value2 value3)
echo ${array_name[0]}
echo ${array_name[@]}

 

Shell 传递参数

echo "Shell 传递参数实例！";
echo "第一个参数为：$1";

echo "参数个数为：$#";
echo "传递的参数作为一个字符串显示：$*";

echo "-- \$* 演示 ---"
for i in "$*"; do
    echo $i
done

echo "-- \$@ 演示 ---"
for i in "$@"; do
    echo $i
done