tee lab

Learning Vim Command: ": w!sudo Tee%"The original Original url:http://www.haw-haw.org/node/1501 from CommandlinefuThe original text explains this order in this way:Save the file you are editing in Vim without the necessary permissions.(Save a file edited in Vimwithout the needed permissions)Below we analyze how this command is done to save the file without the necessary permissions: w!sudo Tee%Man, Vim will

Usage of tee: tee [Option]... [file]... copy the standard input to each specified file and display it to the standard output grep-r-I-E "sss | aaa ". /| grep-v. /doc/| tee-a log.txt grep-E is matched by regular expression www.2cto.com grep-r is a recursive directory grep-v is excluded from some subdirectories. The tee-

used to repeat the line, the most common option is only one-C: Statistics duplicate rows, and write the number of lines in front */[[email protected] ~]# VIM test.c//use VIM to open a file, write several numbers 111222333222444333~[[email protected] ~]# uniq test.c//Direct with UNiq command, found that the file did not change 111222333222444333[[email protected] ~]# sort test.c |uniq//First sort, then in Uniq, so use Uniq if you have to sort the files and then repeat111222333444[[email protecte

Function Description: Reads the standard input data and outputs its contents to a file.Syntax: Tee [-ai][--help][--version][file ...]Note: The tee instruction reads data from a standard input device and outputs its contents to a standard output device while saving it as a file.Parameters-A or--append attaches to the back of the existing file rather than overwriting it.The interrupt signal is ignored by the-

and shell of the 9th user in the/etc/passwd file.Display to the screen and save it to the/tmp/users file;[Email protected] ~]# tail-9/etc/passwd | head-1 | Cut-d:-f1,7|tee/tmp/usersRpcuser:/sbin/nologin Tee content is displayed on the screen and saved to the specified directory7. Display all files starting with PA in/etc directory, and count the number of them; [Email protected] ~]# ls-d/etc/pa* | Wc-l48,

About the Tee command is the delivery of standard input information to a file.Use the Linux Help documentation as follows:Tee: Read from standard input and write to standard output and filesCommand form: Tee [options] FileOptions:-A--appendAppend to end of file, do not overwrite file-I.--ignore-interruptsIgnore interruptsAn example to output the row redirection of a root-containing item in the current direc

/SYNC22AAA2222222AAAAAA111344442222211114234234252SDADHKAJHKJ -R Reverse Order[[emailprotected] ~]# sort -nr 1.txt4234234252sdadhkajhkj222221111111344442222222aaaaaa22aaasync:x:5:0:sync:/sbin:/bin/syncshutdown:x:6:0:shutdown:/sbin:/sbin/shutdown*sdshdjhjroot:x:0:0:root:/root:/bin/bashoperator:x:11:0:operator:/root:/sbin/nologinmail:x:8:12:mail:/var/spool/mail:/sbin/nologinlp:x:4:7:lp:/var/spool/lpd:/sbin/nologinhalt:x:7:0:halt:/sbin:/sbin/haltdaemon:x:2:2:daemon:/sbin:/sbin/nologinbin:x:1:1

#去重复, one more feature than sortUniq 2.txt adjacent two digits to repeat#显示重复的次数Uniq-c 2.txt#与sort一起用Sort 2.txt | Uniq-c#写入并显示出来echo "111111" | Tee 1.txtExercises:1. Uniq is used to repeat, what command do we need to use before we can repeat the process?Sort2. Uniq which option can show the number of repetitions?-C3. What is the role of the tree command?Directs the correct output information to a file and displays it on the current screenSummarize:Mai

/passwd file into uppercase characters after output; [email protected] tmp]# Head-n 6/etc/passwd | Tr ' A-Z ' A-Z ' root:x:0:0:root:/root:/bin/bashbin:x:1:1:bin:/bin:/sbin/nologindaemon:x:2:2:daemon:/sbin:/sbin/ nologinadm:x:3:4:adm:/var/adm:/sbin/nologinlp:x:4:7:lp:/var/spool/lpd:/sbin/nologinsync:x:5:0:sync:/sbin:/bin/ SYNCTee command: Overwrites the results of the previous command to a file in a pipeline[email protected] tmp]# Cat A.txt | Tee B.txt

descriptionFor statisticalCommand syntaxWC [parametric]Parameters-L: Count rows-M: Statistics of characters-W: Number of statistical wordsCase[Email protected]/]# cat/etc/passwd |wc-l-m-w19 29 883[Email protected]/]# cat/etc/passwd |WC19 29 883[Email protected]/]#PS: In fact, there is no need to add parametersUNIP Command Command descriptionUsed to delete duplicate rowsCommand syntaxXxxxx|unipParameters-C statistics Number of rows to repeatCase[Email protected] ~]# Uniq testb.txt111222111333[Em

This morning, I spent half a day and several hours in the afternoon. I finally got it done and decided to solve the pressing problem for everyone. If you have a better solution, please let me know. :) 1. Select to delete previous versions.Delete the WINNT \ system32 \ tee * 70 File2. Enable Delphi7CompileDelphi 2005: tee7d9. BPGDelphi 7: tee7d7. BPG 3. Install the DCl package 4. reinstall fastreportInstall fastreportModify the frxreg. inc file accordi