/xxx/xxx/executable 相对路径 ./something.sh ./executable 注意:前边得加./,可不是像windows(dos)下那样直接输入: something.bat(cmd) executable.exe(com)
创建shell 脚本并设置其权限后,将脚本文件放在命令路径下的某个目录中,然后在命令行上运行脚本名称,即可运行该脚本。 如果脚本位于当前工作目录下,也可以运行 ./script,或者使用完整路径名。 As with any program on Unix systems, you need to set the executable bit for a shell script file, but you must ...
file [options] <filename>...#常用选项-b|--brief#只显示结果,不显示文件名-f|--files-fromFILE#从指定文件中获取要处理的文件名-F|--separator STRING#指定分割符-L|--dereference#跟随软链接 [root@ubuntu2204 ~]#file test.shtest.sh: Bourne-Again shell script, ASCII text executable 文件通配符 文...
cmake_minimum_required(VERSION 3.10)project(HelloWorld)add_executable(hello main.cpp) 这个文件告诉 CMake,我们需要至少版本为 3.10 的 CMake,项目的名字是HelloWorld,并且我们想要创建一个名为hello的可执行文件,它的源代码是main.cpp。 2.1.2 CMake 的命令行工具 一旦你编写了CMakeLists.txt文件,你就可以使...
$ chmod +s executable_file # chown root.root executable_file # chmod +s executable_file $ ./executable_file Now it executes as the root user regardless of who invokes it. The setuid is only valid for Linux ELF binaries. You cannot set a shell script to run as another user. This is...
shell 脚本是写在文件中的一系列命令;shell 会从文件中读取这些命令,就像在终端中输入命令一样。 11.1 Shell Script Basics(Shell 脚本基础) Bourne shell scripts generally start with the following line, which indicates that the /bin/sh program should execute the commands in the script file. (Make sure...
Directories also have permissions. You can list the contents of a directory if it’s readable, but you can only access a file in a directory if the directory is executable. (One common mistake people make when setting the permissions of directories is to accidentally remove the execute permissi...
Shell脚本语言是实现Linux/UNIX系统管理及自动化运维所必备的重要工具, Linux/UNIX系统的底层及基础应用软件的核心大都涉及Shell脚本的内容。每一个合格 的Linux系统管理员或运维工程师,都需要能够熟练地编写Shell脚本语言,并能够阅 读系统及各类软件附带的Shell脚本内容。只有这样才能提升运维人员的工作效率,适 应曰益复...
(1) create a short shell script that has a correct first line, (2) make it executable, and then (3) use your shell to “execute” it: $ cat >myscript.sh # use "cat" with output redirection #!/bin/sh -u # 1. type in three lines of script ...
嵌入式linux应用开发之常用shell脚本总结,总结下日常工作中常用的linux下的shell脚本。linux的shell脚本很强大,可以用来做一些特殊功能。shell脚本语法虽然很简单,但是有时候把经常忘,还得再写一遍且验证ok才能用,这里总结下留作备忘。关于shell脚本的学习觉得不需要太