# ./read3.sh Please enter your name: wang Hello wang, welcome to my script 5、read命令对于输入字符的判断 []有比较的判断的功能 -o代表or &&在shell中的用法是如果&&左边的命令执行成功(即$?=0)时才能执行&&右边的命令 1 2 3 4 5 6 7 #!/bin/bash rea
[root@centos8 ~/script]#bash read.shAre you rich?yesor no: fsdfsdf Good Good Study Day Day up [root@centos8 ~/script]# 示例:判断用户输入的是否为 YES [root@centos8 ~/script]#cat yesorno.sh#!/bin/bash#read-p"Please input yes or no: "input answer=$(echo$input|tr'A-Z''a-z'...
代码语言:javascript 代码运行次数:0 运行 AI代码解释 [root@localhost~]# read temp hello Lyshark[root@localhost~]# echo $temp hello Lyshark 实例2:通过read命令读取,并输出一段提示信息,且10秒等待输入时间 代码语言:javascript 代码运行次数:0 运行 AI代码解释 [root@localhost~]# read-p"please input nam...
/bin/shlinux系统上默认是bash,多数UNIX商业OS中也默认shell。 1.2 调用脚本 执行脚本的三种方式: 代码语言:txt AI代码解释 #方式1 sh helloworld.sh #方式2 bash helloworld.sh bash +x helloworld.sh 第三种方式有一点特殊 代码语言:txt AI代码解释 ./helloworld.sh #需给文件授予执行权限 #实授予权限的方式...
【如何执行Script】 1、直接命令执行(要具有可读可执行的权限) 绝对路径,相对路径,变量PATH功能(例如 ~/bin/) 2、以bash进程执行 比如bash , sh , source 【熟悉一下Scipt】 echo -e "I will use 'touch' command to create 3 files" read -p "Please input your filename" fileuser ...
示例二:利用read命令的用途编写一个script,让用户输入first name 和last name,最后在屏幕上显示“Your full name is:”内容 [leiyuxing@centos6 scripts]$ vim #!/bin/bash # program: # User inputs his first name and last name. program shows his full name. ...
[root@localhost ~]:~$ sh script_test.sh Please input[Y/N]: y YES read命令的使用形式为 read[-pt]variable 参数p:后面可以接提示符 参数t:后面可以接秒数 例如, read-p"please input your name"-t5name 表示将输入内容赋值给变量name,用户有5秒钟的输入时间。
) echo "$(basename "$0"): invalid option: ${OPTARG}" >&2 echo "$USAGE" >&2 exit 1; ;; esac done # Script logic id=1000 while IFS=: read -r username password || [ "${username}" ]; do if [ -z "${username}" ]; then continue; fi if [ -z "${password}" ]; then ...
#use what we learned in a script. #Let's get some information from the user and add it to our scripts with stanard input and read echo "What is your name? " read name #Here standard output directed to append a file to learnToScirptStandardOutput ...
# History: # 2021/08/23 Bobby First release 三、项目实施 任务8-1通过简单范例学习shell script 续上 PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin export PATH echo -e You SHOULD input 2 numbers, I will cross them! \n read -p first number: firstnu read...