Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: How to delete particular rows from a file
Top Forums Shell Programming and Scripting How to delete particular rows from a file Post 302201372 by era on Monday 2nd of June 2008 05:07:46 AM
Old 06-02-2008
Code:
sed -e '/^8 7 /d' -e '/^12 3 /d' file

Perhaps you would be better served by reading the manual page than by hoping somebody will solve this problem for you, especially if you requirements are communicated haphazardly.
Last edited by era; 06-02-2008 at 06:18 AM.. Reason: Added spaces after the first two columns
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Delete repeated rows from a file

Hi everybody: Could anybody tell me how I can delete repeated rows from a file?, this is, for exemple I have a file like this: 0.490 958.73 281.85 6.67985 0.002481 0.490 954.833 283.991 8.73019 0.002471 0.590 950.504 286.241 6.61451 0.002461 0.690 939.323 286.112 6.16451 0.00246 0.790... (8 Replies)
Discussion started by: tonet
8 Replies

2. Shell Programming and Scripting

how to delete duplicate rows in a file

I have a file content like below. "0000000","ABLNCYI","BOTH",1049,2058,"XYZ","5711002","","Y","","","","","","","","" "0000000","ABLNCYI","BOTH",1049,2058,"XYZ","5711002","","Y","","","","","","","","" "0000000","ABLNCYI","BOTH",1049,2058,"XYZ","5711002","","Y","","","","","","","",""... (5 Replies)
Discussion started by: vamshikrishnab
5 Replies

3. Shell Programming and Scripting

how to delete blank rows in a log file

Help How to delete all blank rows in log file (4 Replies)
Discussion started by: suryanarayana
4 Replies

4. Shell Programming and Scripting

[HELP] - Delete rows on a CSV file

Hello to all members, I am very new in unix stuff (shell scripting), but a want to learn a lot. I am a ex windows user but now i am absolutely Linux super user... :D So i am tryng to made a function to do this: I have two csv files only with numbers, the first one a have: 1 2 3 4 5... (6 Replies)
Discussion started by: Sadarrab
6 Replies

5. Shell Programming and Scripting

delete rows in a file based on the rows of another file

I need to delete rows based on the number of lines in a different file, I have a piece of code with me working but when I merge with my C application, it doesnt work. sed '1,'\"`wc -l < /tmp/fileyyyy`\"'d' /tmp/fileA > /tmp/filexxxx Can anyone give me an alternate solution for the above (2 Replies)
Discussion started by: Muthuraj K
2 Replies

6. UNIX for Advanced & Expert Users

Delete rows from a file...!!

Say i have a file with X rows and Y columns....i see that in some of the rows,some columns are blank (no value set)...i wish to delete such rows....how can it be done? e.g 181766 100 2009-06-04 184443 2009-06-04 10962 151 2009-06-04 161 2009-06-04... (7 Replies)
Discussion started by: ak835
7 Replies

7. Shell Programming and Scripting

Delete rows in text file

Hi I do have a text file with 1000's of lines with 1 row and column with a specific pattern. 1102 1 1 1 1 1234 1 1 1 1 1009 1 1 1 1 1056 1 (3 Replies)
Discussion started by: Lucky Ali
3 Replies

8. Shell Programming and Scripting

Using sed (or awk or perl) to delete rows in a file

I have a Unix file with 200,000 records, and need to remove all records from the file that have the character ‘I' in position 68 (68 bytes from the left). I have searched for similar problems and it appears that it would be possible with sed, awk or perl but I do not know enough about any of these... (7 Replies)
Discussion started by: joddo
7 Replies

9. Shell Programming and Scripting

Delete rows from big file

Hi all, I have a big file (about 6 millions rows) and I have to delete same occurrences, stored in a small file (about 9000 rews). I have tried this: while read line do grep -v $line big_file > ok_file.tmp mv ok_file.tmp big_file done < small_file It works, but is very slow. How... (2 Replies)
Discussion started by: Tibbeche
2 Replies

10. Shell Programming and Scripting

Script to delete rows in a file

Hi All, I am new to UNIX . Please help me in writing code to delete all records from the file where all columns after cloumn 5 in file is either 0, #MI or NULL. Initial 5 columns are string e.g. "alsod" "1FEV2" "wjwroe" " wsse" "hd3" 1 2 34 #Mi "malasl" "wses" "trwwwe" " wsse" "hd3" 1 2 0... (4 Replies)
Discussion started by: alok2082
4 Replies

LEARN ABOUT CENTOS

locale::codes::langext

Locale::Codes::LangExt(3)				User Contributed Perl Documentation				 Locale::Codes::LangExt(3)

NAME

       Locale::Codes::LangExt - standard codes for language extension identification

SYNOPSIS

	  use Locale::Codes::LangExt;

	  $lext = code2langext('acm');		       # $lext gets 'Mesopotamian Arabic'
	  $code = langext2code('Mesopotamian Arabic'); # $code gets 'acm'

	  @codes   = all_langext_codes();
	  @names   = all_langext_names();

DESCRIPTION

       The "Locale::Codes::LangExt" module provides access to standard codes used for identifying language extensions, such as those as defined in
       the IANA language registry.

       Most of the routines take an optional additional argument which specifies the code set to use. If not specified, the default IANA language
       registry codes will be used.

SUPPORTED CODE SETS

       There are several different code sets you can use for identifying language extensions. A code set may be specified using either a name, or
       a constant that is automatically exported by this module.

       For example, the two are equivalent:

	  $lext = code2langext('acm','alpha');
	  $lext = code2langext('acm',LOCALE_LANGEXT_ALPHA);

       The codesets currently supported are:

       alpha
	   This is the set of three-letter (lowercase) codes from the IANA language registry, such as 'acm' for Mesopotamian Arabic.

	   This is the default code set.

ROUTINES

       code2langext ( CODE [,CODESET] )
       langext2code ( NAME [,CODESET] )
       langext_code2code ( CODE ,CODESET ,CODESET2 )
       all_langext_codes ( [CODESET] )
       all_langext_names ( [CODESET] )
       Locale::Codes::LangExt::rename_langext  ( CODE ,NEW_NAME [,CODESET] )
       Locale::Codes::LangExt::add_langext  ( CODE ,NAME [,CODESET] )
       Locale::Codes::LangExt::delete_langext  ( CODE [,CODESET] )
       Locale::Codes::LangExt::add_langext_alias  ( NAME ,NEW_NAME )
       Locale::Codes::LangExt::delete_langext_alias  ( NAME )
       Locale::Codes::LangExt::rename_langext_code  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangExt::add_langext_code_alias  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangExt::delete_langext_code_alias  ( CODE [,CODESET] )
	   These routines are all documented in the Locale::Codes::API man page.

SEE ALSO

       Locale::Codes
	   The Locale-Codes distribution.

       Locale::Codes::API
	   The list of functions supported by this module.

       http://www.iana.org/assignments/language-subtag-registry
	   The IANA language subtag registry.

AUTHOR

       See Locale::Codes for full author history.

       Currently maintained by Sullivan Beck (sbeck@cpan.org).

COPYRIGHT

	  Copyright (c) 2011-2013 Sullivan Beck

       This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.16.3							    2013-02-27						 Locale::Codes::LangExt(3)
All times are GMT -4. The time now is 11:00 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy