uniq

The sort command sorts the rows in the files specified by the file parameter and writes the results to standard output. If the file parameter specifies multiple files, the sort command connects the files and sorts them as a file.Sort syntax[[email

Uniq command introduction under AIX and use [plain] www.2cto.com uniq to remove or prohibit duplicate lines from a text; sort's-u option can also remove duplicate lines. Command Format: uniq-u [-d [,-c]-f input_file output_file-u: only show

UniqOriginal: http://blog.csdn.net/xifeijian/article/details/9209627The Uniq command removes duplicate rows from a sorted file, so Uniq is often used in combination with sort. That is, in order for the Uniq to work, all duplicate rows must be

Linux text processing tool sort and uniq instance details Linux text processing tool sort and uniq instance details Sort: Sorts input rows by key value field, data type option, and locate Syntax: sort [option] [file (s)] Main options: -B. Ignore the

Uniq commandFunction: Outputs or ignores duplicate rows in a fileFormat: uniq [option] [File|stdin][Email protected]:~/linux/Uniq$CatGhostwu.txt192.168.1.2192.168.1.8192.168.1.3192.168.1.3192.168.1.9192.168.1.8192.168.1.8192.168.1.0192.168.1.3[email

SortThe sort command sorts the rows in the files specified by the file parameter and writes the results to standard output. If the file parameter specifies multiple files, the sort command connects the files and sorts them as a file.Sort

I believe that when you use Linux, you will always encounter situations where you want to extract some of the information you need, such as the following four scenarios:1. Find the IPV4 address of eno16777728 in ifconfig command result2. Find out

Use-----split for cut commands [[email protected] wang]# cut -d  ': '   The-f 1 passwd1 |head -n3  //cut command is used for cutting. -D followed by    delimited, enclosed in single quotation marks  root                                               

Article transferred from http://www.cnblogs.com/ggjucheng/archive/2013/01/13/2858385.htmlSortThe sort command sorts the rows in the files specified by the file parameter and writes the results to standard output. If the file parameter specifies

Uniq-report or omit repeated lines omit duplicate rowsParameters:-I ignores the difference between uppercase and lowercase characters-C to count repeated rowsNote: The Uniq command will only de-weight adjacent duplicate rows, so uniq is often used

 Uinq is short for unique. I. Introduction Function Description: checks and deletes repeated rows and columns in a text file.   Ii. Syntax Syntax: uniq [-cdu] [-f ] [-s ] [-w ] [-- help] [-- version] [input file] [output file] Note: uniq can check

Common options for Uniq commandsRemove Duplicate rows-U display non-repeating rows-D shows duplicate rows-C Print the number of repetitions per lineThe test text content is as follows:# Cat 4.txt11111122222222333333334444(1) Uniq# Cat 4.txt | Uniq

Shell Basics (iv) Uniq and TeeUniq is used to repeat the row, the most common option is only one, that is,-C count counts the number of repeated rows, and writes the number of repetitions in front.Note: Use the premise that you need to sort the

13th. Sort, single, and repeat the text: Sort command, uniq command sort command name explanationThe sort command will sort the files and output the sort results standard. The sort command allows you to get input from a specific file or from

When we develop, we often count some access logs, and the URLs in the access log are massive, and many of them are duplicate content. Take the URL, for example, to count the URLs with the first 5 frequency occurrences in the URL, sorted by the

First, special symbols*: any of any characters1*1bak.zip 1. Tar 1. zip.bz21:1. TXT 21*2？ : An arbitrary character2? Tar 2. Tar#: Notes[[Email protected] ~\: de-intention[Email protected] ~]# a=3~]# echo $a3~"\ $a "$a|: Pipe SymbolThe function of

      Repeated rows usually do not cause problems, but sometimes they do. In this case, you don't have to spend an afternoon preparing filters for them. The uniq command is a

#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

Cat: Connect and display, such as:[Email protected] ~]# cat/tmp/sort.test 111324567324890890567ABCPlus the option-n Displays the line number:[Email protected] ~]# cat-n/tmp/sort.test 1111 2324 3567 4324 5890 6890 7567 8abcThe Plus-e option displays

Five Week fifth session (January 12) 8.10 Shell Special Symbol Cut command 8.11 Sort_wc_uniq Command 8.12 tee_tr_split Command 8.13 Shell Special Symbol Related Quiz title: http://ask.apelearn.com/question/5437 Extended