Sponsored Content
Top Forums Shell Programming and Scripting Removing dupicate lines in the file ..(they are not continuous) Post 84880 by vgersh99 on Thursday 29th of September 2005 09:55:49 AM
Old 09-29-2005
Code:
nawk '!a[$0]' file.txt

 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Removing lines from a file

Hello i have 2 files file1 and file2 as shown below file1 110010000000206|567810008161509 110010000000207|567810072227627 110010000000208|567811368851555 110010000000209|567811422513652 110010000000210|567812130217683 110010000000211|567813220211182 110010000000212|567813449322589... (4 Replies)
Discussion started by: PradeepRed
4 Replies

2. Shell Programming and Scripting

Removing lines within a file

Hi There, I've written a script that processes a data file on our system. Basically the script reads a post code from a list file, looks in the data file for the first occurrence (using grep) and reads the line number. It then tails the data file, with the line number just read, and outputs to a... (3 Replies)
Discussion started by: tookers
3 Replies

3. UNIX for Dummies Questions & Answers

Removing lines from a file

I'm trying to find a command which will allow me to remove a range of lines (2-4) from a .dat file from the command line without opening the file. Someone mentioned using the ex command? Does anyone have any ideas? thanks (6 Replies)
Discussion started by: computersaysno
6 Replies

4. AIX

Removing the first and last lines in a file

Hi Gurus, I'm a little new to UNIX. How can I do remove the first and last line in a file? Say, supppose I have a file as below: 1DMA 400002BARRIE 401002CALGARY/LETHBRI 402002CARLETON 500001PORTLAND-AUBRN 501001NEW YORK, NY ... (1 Reply)
Discussion started by: naveendronavall
1 Replies

5. Shell Programming and Scripting

Removing the first and last lines in a file

Hi Gurus, I'm a little new to UNIX. How can I do remove the first and last line in a file? Say, supppose I have a file as below: Code: 1DMA 400002BARRIE 401002CALGARY/LETHBRI 402002CARLETON 500001PORTLAND-AUBRN 501001NEW YORK, NY 502001BINGHAMTON, NY ... (2 Replies)
Discussion started by: naveendronavall
2 Replies

6. Shell Programming and Scripting

Removing Lines From a File

Hi Does anybody know of a command that will enable me to remove all entries in a file that have the format (name & time) more testfile anthony 2003 anthonyr 2008 amorel 15:00 anthonyp 14:35 anthonyp 14:35 anthonyr 2008 ardean 13:28 arlene 2003 arlenem 08:15 arlenem 08:15... (5 Replies)
Discussion started by: jamba1
5 Replies

7. Shell Programming and Scripting

removing lines from file

Hi I have many files all with 1 field per line as in 12345 abcde john.paul.net 6789101 how do I remove ceratin lines from these files. Have tried sed but sed wrecks my head! Many thanks in advance for any help (9 Replies)
Discussion started by: rob171171
9 Replies

8. UNIX for Dummies Questions & Answers

removing several lines from a file

Hi folks, I have a long string of DNA sequences, and I need to remove several lines, as well as the line directly following them. For example, here is a sample of my starting material: >548::GY31UMJ02DLYEH rank=0007170 x=1363.5 y=471.0 length=478... (1 Reply)
Discussion started by: kkohl78
1 Replies

9. Shell Programming and Scripting

Removing lines from a file

Hi, I have a linux server that was hacked and I have a bunch of files that sporadically contain the following lines through out the file: <?php eval(base64_decode("Xxxxxxxxxxxxxx/xxxxxxxx")); I did't put the exact lines of the file in this post. The "Xxxx" are random letters/numbers.... (8 Replies)
Discussion started by: nck
8 Replies

10. Shell Programming and Scripting

Removing lines from a file

I have a file `/tmp/wrk` containing filenames with paths. I want to remove filenames from this file, for example remove all filenames containing alja cagr cavt clta cmdo or corl remove all filenames containing data for days in region `d.2016.001` to `d.2016.207` remove all filenames... (10 Replies)
Discussion started by: kristinu
10 Replies
dos2unix(1)						      General Commands Manual						       dos2unix(1)

NAME
dos2unix - DOS/MAC to UNIX text file format converter SYNOPSYS
dos2unix [options] [-c convmode] [-o file ...] [-n infile outfile ...] Options: [-hkqV] [--help] [--keepdate] [--quiet] [--version] DESCRIPTION
This manual page documents dos2unix, the program that converts plain text files in DOS/MAC format to UNIX format. OPTIONS
The following options are available: -h --help Print online help. -k --keepdate Keep the date stamp of output file same as input file. -q --quiet Quiet mode. Suppress all warning and messages. -V --version Prints version information. -c --convmode convmode Sets conversion mode. Simulates dos2unix under SunOS. -o --oldfile file ... Old file mode. Convert the file and write output to it. The program default to run in this mode. Wildcard names may be used. -n --newfile infile outfile ... New file mode. Convert the infile and write output to outfile. File names must be given in pairs and wildcard names should NOT be used or you WILL lost your files. EXAMPLES
Get input from stdin and write output to stdout. dos2unix Convert and replace a.txt. Convert and replace b.txt. dos2unix a.txt b.txt dos2unix -o a.txt b.txt Convert and replace a.txt in ASCII conversion mode. Convert and replace b.txt in ISO conversion mode. Convert c.txt from Mac to Unix ascii format. dos2unix a.txt -c iso b.txt dos2unix -c ascii a.txt -c iso b.txt dos2unix -c mac a.txt b.txt Convert and replace a.txt while keeping original date stamp. dos2unix -k a.txt dos2unix -k -o a.txt Convert a.txt and write to e.txt. dos2unix -n a.txt e.txt Convert a.txt and write to e.txt, keep date stamp of e.txt same as a.txt. dos2unix -k -n a.txt e.txt Convert and replace a.txt. Convert b.txt and write to e.txt. dos2unix a.txt -n b.txt e.txt dos2unix -o a.txt -n b.txt e.txt Convert c.txt and write to e.txt. Convert and replace a.txt. Convert and replace b.txt. Convert d.txt and write to f.txt. dos2unix -n c.txt e.txt -o a.txt b.txt -n d.txt f.txt DIAGNOSTICS
BUGS
The program does not work properly under MSDOS in stdio processing mode. If you know why is that so, please tell me. AUTHORS
Benjamin Lin - <blin@socs.uts.edu.au> Bernd Johannes Wuebben (mac2unix mode) <wuebben@kde.org> MISCELLANY
Tested environment: Linux 1.2.0 with GNU C 2.5.8 SunOS 4.1.3 with GNU C 2.6.3 MS-DOS 6.20 with Borland C++ 4.02 Suggestions and bug reports are welcome. SEE ALSO
unix2dos(1) mac2unix(1) 1995.03.31 dos2unix v3.0 dos2unix(1)
All times are GMT -4. The time now is 10:58 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy