Shell脚本例子集合

1.写一个脚本,执行后,打印一行提示"Please input a number:",要求用户输入数值,然后打印出该数值,然后再次要求用户输入数值.直到用户输入"end"停止. # vi show_var.sh 脚本内容: #!/bin/sh unset var while [ "$var" != "end" ] do echo -n "please input a number: " read var if [ "$var" = "end" ] then break fi echo "var is $var" done 命令保存后退出,并执行: # chmod +x show_var.sh # ./show_var.sh please input a number: 1 var is 1 please input a number: s var is s please input a number: end #