hello in this world i cant stop for this non stop movement stop cat herecheck.txt OUTPUT cat < scriptest.sh \#!/bin/sh echo“File name is $0” echo "File name is " `basename $0` echo“First arg. is ” $1 echo“
Shell Script –> shell脚本 ,写到一个.sh文件里,批量执行命令,效率高–>适合复杂重复性的工作 例如:创建100个用户,单纯输入命令需要执行100次,而Shell脚本只需要几行命令即可完成100个用户的创建 vim test.sh--->打开test.sh文件--->进入vim,点击I输入以下代码-->:wq保存退出# for循环100次,造100个用户,并...
forftypein"${!statarray[@]}"; do echo$ftype : ${statarray["$ftype"]} done 结果 $ bash filestat.sh . ===file types and counts=== Bourne-Again shell script, ASCII text executable : 2 empty : 2 原理 while read line do echo $line done<A <A写在最后相当于给整个while do 语句...
[root@host01 ~]# vim useradd.sh[root@host01 ~]# chmod +x useradd.sh[root@host01 ~]# ./useradd.sh zhangsan 000000spawn passwd zhangsan Changing passwordforuser zhangsan. New password: BAD PASSWORD: The passwordisa palindrome Retypenewpassword: passwd: all authentication tokens updated success...
Checking palindrome strings with a script 165 Printing lines in the reverse order 169 Parsing e-mail addresses and URLs from text 171 iii Table of Contents Printing n lines before or after a pattern in a file 172 Removing a sentence in a file containing a word 174 Implementing head, tail,...
它输出 It's a palindrome name。...让我们选择 bash shell 通过单击终端窗口右上角的加号图标创建新终端后,它将使用 bash shell,如下所示 使用 REPL VS Code 中的另一个非常有用的功能是运行单行或多行代码...shell,我们可以在 >>> 提示符处输入命令,然后只需按 Enter 或 return 键即可执行它们,如下...
Changing password for user jack. New password: BAD PASSWORD: The password is a palindrome Retype new password: passwd: all authentication tokens updated successfully. [root@web01 ~]# su jack [root@web01 ~]# cd root 提示没有权限 1.
hii i want a script that define a palindrome no ANCHAL (10 Dec 2011, 05:22) hello sir please send me the basic difference between linux and unix programming Arlene (29 Nov 2011, 23:56) No offense, but i suggest adding a facebook like button for the blog! Majed...
Checking palindrome strings with a script 165 Printing lines in the reverse order 169 Parsing e-mail addresses and URLs from text 171 iii Table of Contents Printing n lines before or after a pattern in a le 172 Removing a sentence in a le containing a word 174 ...
Shell Script –> 效率高–>适合复杂重复性的工作 例如:创建100个用户,单纯输入命令需要执行100次,而Shell脚本只需要几行命令即可完成100个用户的创建 vimtest.sh代码:foriin{1..100}douseraddtest$iecho"create test$i"donebashtest.sh 4.Shell提示符 ...