xargs

Ten good habits to use are: 1. Create a directory tree in a single command.2. Change the path. Do not move the archive.3. Combine commands with control operators.4. Exercise caution when referencing variables.5. Use escape sequences to manage long input.6. Group commands in the list.7. Use xargs outside of find.8. Know When grep should execute count -- When should bypass.9. match some fields in the output, not just the rows.10. Stop using pipelines fo

Source: Wu Qin (Tyler)Link: cnblogs.com/skynet/archive/2010/12/25/1916873.html Working under Linux, some commands can greatly improve efficiency. This article to introduce you to find, grep command, his brother can be regarded as a mandatory Linux command, I almost every day to use them. The structure of this article is as follows: Find command General form of Find commandCommon options and examples for Find commandsFind and Xargs grep command General

Xargs is a filter that passes parameters to the command, and is also a tool for combining multiple commands. It divides a data stream into small enough chunks to facilitate the processing of filters and commands. Typically, Xargs reads data from a pipe or stdin, but it can also read data from the output of a file. The default command for Xargs is echo, which mean

three digits, so the suffix of the corresponding file must not exceed 999. Create several admin accounts first. to use the following command $ find. -Name "Admin. log [0-9] [0-9] [0-9] "-atime-7-OK RM {}\; ? N ? N ? N ? N 7. To find and sort all the directories in the current file system, $ find. -type D | sort 8. To find all the RMT tape devices in the system, $ find/dev/RMT-print 3

In Linux, some commands can greatly improve the efficiency. This article will introduce the find and grep commands. The two of them can be a must-have linux Command and I will use them almost every day. Shell programming in Linux-awk Programming Shell programming in Linux -- basic usage of sed command Shell programming in Linux -- basic use of the grep command Shell programming in Linux-basics and extensions of Regular Expressions The structure of this article is as follows: Find command

command can be used in the-EXEC option. In the example above we use the grep command. The find command first matches all files named "passwd*", such as passwd, Passwd.old, Passwd.bak, and then executes the grep command to see if there is a root user in these files.Example 5: Find files to move to the specified directoryCommand: Find.-name "*.log"-exec mv {}.. \;Example 6: Executing the CP command with the EXEC optionCommand: Find. -name "*.log"-exec cp {} test3 \;Output:[[email protected] test]

all the directories in the current file system. You can use: $ Find.-type d-print-local-mount | sort Find all the rmt tape devices in the system. You can use: $ Find/dev/rmt-print Ii. xargs Xargs-build and execute command lines from standard input When you use the-exec option of the find command to process matched files, the find command passes all matching files to exec for execution. However, some syst

find command will delete the admin. log file that was accessed in the/logs directory seven days ago and contains a digital suffix. This command only checks three digits, so the suffix of the corresponding log file should not exceed 999. $ Find/logs-name 'admin. log [0-9] [0-9] '[-0a-t9i] me + 7-exec rm {}\; Search and sort all the directories in the current file system. you can use: $ Find.-type d-print-local-mount | sort Find all the rmt tape devices in the system. you can use: $ Find/dev/rmt-

This article presents 10 UNIX command line habits that are worth using mdash; to help you overcome many common usage quirks and improve the working efficiency of the command line. These 10 good habits are listed below, and a more detailed description is given later. The ten good habits to use are: create a directory tree in a single command. Change the path. This article introduces 10 UNIX command line habits that are worth using-this helps you overcome many common usage quirks and improve the

Shellscript article 3 01#xargscommand 0203#convert multiline input to single-line output 04catexample.txt | xargs0506#convert single-line input to multiline output 07catexample.txt | xargs-n30809 # custom split symbol similar to function PHPexplodeJS... shell script article 3 01 # xargs command 02 03 # convert multi-line input to single-line output 04cat example.txt | x