Sponsored Content
Full Discussion: removing duplicates
Top Forums Shell Programming and Scripting removing duplicates Post 302212316 by zaxxon on Monday 7th of July 2008 07:02:46 AM
Old 07-07-2008
Ignore blank lines:
Code:
sed 's/^$//g'
# or
grep -v ^$

 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Removing duplicates

Hi, I've been trying to removed duplicates lines with similar columns in a fixed width file and it's not working. I've search the forum but nothing comes close. I have a sample file: 27147140631203RA CCD * 27147140631203RA PPN * 37147140631207RD AAA 47147140631203RD JNA... (12 Replies)
Discussion started by: giannicello
12 Replies

2. UNIX for Dummies Questions & Answers

removing duplicates and sort -k

Hello experts, I am trying to remove all lines in a csv file where the 2nd columns is a duplicate. I am try to use sort with the key parameter sort -u -k 2,2 File.csv > Output.csv File.csv File Name|Document Name|Document Title|Organization Word Doc 1.doc|Word Document|Sample... (3 Replies)
Discussion started by: orahi001
3 Replies

3. Shell Programming and Scripting

Removing duplicates

Hi, I have a file in the below format., test test (10) to to (25) see see (45) and i need the output in the format of test 10 to 25 see 45 Some one help me? (6 Replies)
Discussion started by: imdadulla
6 Replies

4. UNIX for Advanced & Expert Users

removing duplicates.

Hi All In unix ,we have a file ,there we have to remove the duplicates by using one specific column. Can any body tell me the command. ex: file1 id,name 1,ww 2,qwq 2,asas 3,asa 4,asas 4,asas o/p: 1,ww 2,qwq 3,asa (7 Replies)
Discussion started by: raju4u
7 Replies

5. Shell Programming and Scripting

Removing duplicates

I have a test file with the following 2 columns: Col 1 | Col 2 T1 | 1 <= remove T5 | 1 T4 | 2 T1 | 3 T3 | 3 T4 | 1 <= remove T1 | 2 <= remove T3 ... (7 Replies)
Discussion started by: gctex
7 Replies

6. Emergency UNIX and Linux Support

Removing all the duplicates

i want to remove all the duplictaes in a file.I dont want even a single entry. For the input data: 12345|12|34 12345|13|23 3456|12|90 15670|12|13 12345|10|14 3456|12|13 i need the below data in one file 15670|12|13 and the below data in another file (9 Replies)
Discussion started by: pandeesh
9 Replies

7. Shell Programming and Scripting

Help in removing duplicates

I have an input file abc.txt with info like: abcd rateuse inklite robet rateuse abcd I need to remove duplicates from the file (eg: abcd,rateuse) from the file and need to place the contents in same file abc.txt if needed can be placed in another file. can anyone help me in this :( (4 Replies)
Discussion started by: rkrish
4 Replies

8. UNIX for Dummies Questions & Answers

Removing duplicates from a file

Hi All, I am merging files coming from 2 different systems ,while doing that I am getting duplicates entries in the merged file I,01,000131,764,2,4.00 I,01,000131,765,2,4.00 I,01,000131,772,2,4.00 I,01,000131,773,2,4.00 I,01,000168,762,2,2.00 I,01,000168,763,2,2.00... (5 Replies)
Discussion started by: Sri3001
5 Replies

9. Shell Programming and Scripting

Removing duplicates except the last occurrence

Hi All, i have a file like below, @DB_FCTS\src\Data\Scripts\Delete_CU_OM_BIL_PRT_STMT_TYP.sql @DB_FCTS\src\Data\Scripts\Delete_CDP_BILL_LBL_MSG.sql @DB_FCTS\src\Data\Scripts\Delete_OM_BIDDR.sql @DB_FCTS\src\Data\Scripts\Insert_CU_OM_LBL_MSG.sql... (11 Replies)
Discussion started by: mechvijays
11 Replies

10. Shell Programming and Scripting

Removing duplicates from new file

i hav two files like i want to remove/delete all the duplicate lines in file2 which are viz unix,unix2,unix3 (2 Replies)
Discussion started by: sagar_1986
2 Replies
GREP(1) 						      General Commands Manual							   GREP(1)

NAME
grep - search a file for lines containing a given pattern SYNOPSIS
grep [-elnsv] pattern [file] ... OPTIONS
-e -e pattern is the same as pattern -c Print a count of lines matched -i Ignore case -l Print file names, no lines -n Print line numbers -s Status only, no printed output -v Select lines that do not match EXAMPLES
grep mouse file # Find lines in file containing mouse grep [0-9] file # Print lines containing a digit DESCRIPTION
Grep searches one or more files (by default, stdin) and selects out all the lines that match the pattern. All the regular expressions accepted by ed and mined are allowed. In addition, + can be used instead of * to mean 1 or more occurrences, ? can be used to mean 0 or 1 occurrences, and | can be used between two regular expressions to mean either one of them. Parentheses can be used for grouping. If a match is found, exit status 0 is returned. If no match is found, exit status 1 is returned. If an error is detected, exit status 2 is returned. SEE ALSO
cgrep(1), fgrep(1), sed(1), awk(9). GREP(1)
All times are GMT -4. The time now is 04:26 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy