Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: Doubt in awk programing
Top Forums Shell Programming and Scripting Doubt in awk programing Post 302774823 by Scrutinizer on Sunday 3rd of March 2013 03:09:49 PM
Old 03-03-2013
@bipinajith: In the first example instead of >> file you could use done > file instead, then you do not need to append...
regarding the awk, FILENAME is not initialized in the BEGIN section and also there you do not need to append from within awk, but you can redirect stdout to a file.. You could also let FNR==1 mark the beginning of a new file.
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

awk doubt

I'm having a file with 5 fields. I want to sort that file according to one field no 3. How shall I do using awk programming. Any input appreciatable. regards, vadivel. (7 Replies)
Discussion started by: vadivel
7 Replies

2. Shell Programming and Scripting

doubt in AWK

Hi all, column1 -------- 33 44 55 66 please provide the script using awk command to dispaly output 55. Help apperciated.. thanks, Nirmal (4 Replies)
Discussion started by: abnirmal
4 Replies

3. Shell Programming and Scripting

awk doubt

hi how to get the values in two columns (may be 2nd and 5th column) of a file line by line. either i want to get the two fields into different variables and use a for loop to get these values line by line. (3 Replies)
Discussion started by: Pradee
3 Replies

4. UNIX for Dummies Questions & Answers

doubt about awk

i have a file like this: awk.lst smith : sales : 1200 : 2 jones:it:25000 : 2 roger : it : 1500 : 2 ravi | acct | 15000 i have 3 doubts 1) when i say awk -F ":" '$2 ~ /'it'/ {print $0}' awk.lst i am not able to get jones in the ouput , is it because of space issue? 2)how to... (2 Replies)
Discussion started by: soujanya_srk
2 Replies

5. Shell Programming and Scripting

AWK doubt

Hello people I have a doubt about awk... I´m using it to create a condition where I do not want to use the 0 (zero) value of a certain column. - This is the original file: string,number,date abc,0,20050101 def,1,20060101 ghi,2,20040101 jkl,12,20090101 mno,123,20020101... (2 Replies)
Discussion started by: Rafael.Buria
2 Replies

6. Shell Programming and Scripting

Awk Programing (need help)

plx help to solve these problems?? 1. Create a HERE document which will edit multiple files in the same directory, using the ed editor. I give you 3 original files: file1.c , file2.c , file3.c, download them and change each string "stdio.h" to "STDIO.H" in these files. Note: when execute the... (1 Reply)
Discussion started by: SoCalledEngr
1 Replies

7. Shell Programming and Scripting

doubt in awk

Hi , I have a file in the below format: 1.txt awk 'BEGIN { printf ("%1s", "man" )} ' awk 'BEGIN { printf ("%9s", "women" )} ' awk 'BEGIN { printf ("%56s", "human")} ' ## ### ## echo "$!" ## awk 'BEGIN { printf ("%1s", "aaa" )} ' awk 'BEGIN { printf ("%19s", "bbb" )} ' ... (4 Replies)
Discussion started by: jisha
4 Replies

8. Shell Programming and Scripting

doubt on awk

I have executed the below command: find . -name "Ks*" -type f -exec ls -ltr {} \; | awk '{printf("%ld %s %d %s \n",$5,$6,$7,$8,$9)}' and here is the output: 1282 Oct 7 2004 51590 Jul 10 2006 921 Oct 7 2004 1389 Jun 4 2003 1037 May 19 2004 334 Mar 24 2004 672 Jul 8 2003 977... (6 Replies)
Discussion started by: venkatesht
6 Replies

9. Shell Programming and Scripting

Shell Programing with awk Tool

I'm working on a program in with shell programming and it needs to be able to delete the contents of files in the Home directory on certain days of the week.(like tuesday). Can anyone help me with this? Thanks in advance, Taffy. (7 Replies)
Discussion started by: Taffy
7 Replies

10. UNIX for Dummies Questions & Answers

a doubt in awk

instead of writing print command in awk, i saw in some posts that we can simply write a number before we end the awk command and it will print the file. As given below: $awk '{some manipulation; print}' filename $awk '{some manipulation}1' filename I also tried replacing the... (2 Replies)
Discussion started by: PranavEcstasy
2 Replies

LEARN ABOUT CENTOS

trace-cmd-options

TRACE-CMD-OPTIONS(1)													      TRACE-CMD-OPTIONS(1)

NAME

       trace-cmd-options - list available options from trace-cmd plugins

SYNOPSIS

       trace-cmd options

DESCRIPTION

       The trace-cmd(1) options command will examine all the trace-cmd plugins that are used by trace-cmd report(1) and list them.

SEE ALSO

       trace-cmd(1), trace-cmd-record(1), trace-cmd-start(1), trace-cmd-stop(1), trace-cmd-extract(1), trace-cmd-reset(1), trace-cmd-split(1),
       trace-cmd-list(1), trace-cmd-listen(1)

AUTHOR

       Written by Steven Rostedt, <rostedt@goodmis.org[1]>

RESOURCES

       git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git

COPYING

       Copyright (C) 2011 Red Hat, Inc. Free use of this software is granted under the terms of the GNU Public License (GPL).

NOTES

	1. rostedt@goodmis.org
	   mailto:rostedt@goodmis.org

								    06/11/2014						      TRACE-CMD-OPTIONS(1)
All times are GMT -4. The time now is 05:53 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy