When given one ormore filenames on the command line, this program uses the strings program (which isincluded in the GNU binutils package) to generate a list of readable text “words” in eachfile. The for loop processes each word in turn and determines if the current word is thelongest ...
Hopefully, these examples have demonstrated the power of aforloop at the Bash command line. You really can save a lot of time and perform tasks in a less error-prone way with loops. Just be careful. Your loops will do what you ask them to, even if you ask them to do something destr...
《Linux Command Line and Shell Scripting Bible》Part 13 更多的结构化命令(for while until) for命令 基本语法格式 for var in list do commands done 也可以写成 for var in list; do commands done 读取列表中的值 1 2 3 4 5 6 7 8 9 10 11 12 13 14 shijianzhongdeMacBook-Pro:part_13 shijia...
2.forLoop Command Firstly, let’s quickly refresh onforloops: $ for i in /home/*; do echo "$i"; done /home/user1 /home/user2 Here,we list the files and directories in the/homedirectory viaglobbingand iterating through the result. ...
reverse_xiaoyu Linux Shell 之 for 循环语句 1、for 命令 重复执行一系列命令在编程中很常见。通常你需要重复一组命令直至达到某个特定条件,比如处理某个目录下的所有文件、系统上的所有用户或是某个文本文件中的所有行。 bash shell提供了for命令,允许你创建一个遍历一系列值的循环。每次迭代都使用其中一个值来...
staticvoidMain(string[] args){// Set up matrices. Use small values to better view// result matrix. Increase the counts to see greater// speedup in the parallel loop vs. the sequential loop.intcolCount =180;introwCount =2000;intcolCount2 =270;double[,] m1 = InitializeMatrix(rowCount, ...
/bin/bashfor((i=0;i<1;i+=0))doecho"infinite loop"done 1. 2. 3. 4. 5. while循环 和for循环一样,while循环也是一种运行前测试语句,语法更简单: whileexpressiondocommanddone 1. 2. 3. 4. 首先while将测试expression的返回值,如果返回值为真则执行循环体,返回值为假则不执行循环。循环完成后进入...
Sets the command-line arguments passed to the child process.Default: empty.Examples:Set arguments using an array: var cmd = Cli.Wrap("git") // Each element is formatted as a separate argument. // Equivalent to: `git commit -m "my commit"` .WithArguments(["commit", "-m", "my ...
break Exit from a loop ? builtin Run a shell builtin bzip2 Compress or decompress named file(s) c cal Display a calendar case Conditionally perform a command cat Display the contents of a file cd Change Directory cfdisk Partition table manipulator for Linux chgrp Change group ownership chmod ...
What is Windows Subsystem for Linux (WSL)? The Windows Subsystem for Linux (WSL) is a feature of the Windows operating system that enables you to run a Linux file system, along with Linux command-line tools and GUI apps, directly on Windows, alongside your traditional Windows desktop and ap...