The shell does not exit if the command that fails is part of the command list immediately following a while or until keyword, part of the test following the if or elif reserved words, part of any command executed in a&&or||list except the command following the final&&or||, any command ...
/bin/bash# Test running in the background with output#echo"Start the test script"count=1while[$count-le5]doecho"Loop #$count"sleep5count=$[$count+1]done#echo"Test script is complete" 实例 你会注意到在上面的例子中,脚本的输出与shell提示符混杂在了一起,这也是为什么Start the test script会...
After creating a shell script and setting its permissions, you can run it by placing the script file in one of the directories in your command path and then running the script name on the command line. You can also run ./script if the script is located in your current working directory,...
Putting it all together, you get something like “ls tried to open /dsafsda but couldn’t because it doesn’t exist.” This may seem obvious, but these messages can get a little confusing when you run a shell script that includes an erroneous command under a different name. 综合起来,你...
$ /bin/bash script.sh 当打开终端时,它最初会执行一组命令来定义各种设置,如提示文本、颜色等。这组命令(运行命令)是从一个名为.bashrc的shell 脚本中读取的,该脚本位于用户的主目录(~/.bashrc)中。bash shell 还会维护用户运行的命令历史记录。它位于文件~/.bash_history中。~是用户主目录路径的缩写。 在...
Run Linux Command or Process in Background If a process is already in execution, such as thetar command examplebelow, simply pressCtrl+Zto stop it then enter the commandbgto continue with its execution in the background as a job.
This may seem obvious, but these messages can get a little confusing when you run a shell script that includes an erroneous command under a different name. 综合起来,你会得到类似于 "ls试图打开/dsafsda,但由于它不存在,所以无法打开" 的信息。这似乎很明显,但当你在以不同的名称运行一个包含错误...
绕过shell函数 # function ls # command command ls 在后台运行命令 这将运行给定命令并使其保持运行,即使在终端或SSH连接终止后也是如此。忽略所有输出。 bkr() { (nohup "$@" &>/dev/null &) } bkr ./some_script.sh # some_script.sh is now running in the background...
You can also run ./script if the script is located in your current working directory, or you can use the full pathname. 创建shell 脚本并设置其权限后,将脚本文件放在命令路径下的某个目录中,然后在命令行上运行脚本名称,即可运行该脚本。 如果脚本位于当前工作目录下,也可以运行 ./script,或者使用完整...
第2章走进shell 输入命令setterm -inversescreen on 也可以 使用选项off关闭该特性。 输入setterm –background white,然后按回车键, 接着输入setterm –foreground black 第3章基本的bash shell命令 shell 提示符 默认bash shell提示符是美元符号($), 表示标准输出和错误都不要,丢进黑洞,让他消失的无影无踪。/dev...