Sponsored Content
Top Forums Shell Programming and Scripting awk how to replace specific field with new value Post 302511461 by freegnu on Wednesday 6th of April 2011 09:04:10 PM
Old 04-06-2011
Need more info

Is the value you want to replace always the second value in the second row? Or is it the only nonzero value in the file? Do the files only have 3 rows?
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

awk to replace particular field

i have bad data for instance, the use of capital letters in the middle of the word. I identified the errors, made a list and put it in a file error_correction.txt Incorrect,Correct VeNOM,Venom nos,NOS . . . My data file looks like this: vgr,bugatti veron,,3.5,Venom,6,.......,....... (14 Replies)
Discussion started by: VGR
14 Replies

2. Shell Programming and Scripting

Awk to replace a field

Hi I am using awk to replace the 4th feild of the input line. My code is below: REP_LINE=$(echo $Line | awk -v var=$REPL_DT '{$4=var; print}') It does replaces but all words/phrases after the 4th feild are erased. Is there a way to modify the 4th feild of the input line and to have all... (7 Replies)
Discussion started by: sugan
7 Replies

3. Shell Programming and Scripting

Replace specific field on specific line sed or awk

I'm trying to update a text file via sed/awk, after a lot of searching I still can't find a code snippet that I can get to work. Brief overview: I have user input a line to a variable, I then find a specific value in this line 10th field in this case. After asking for new input and doing some... (14 Replies)
Discussion started by: crownedzero
14 Replies

4. Shell Programming and Scripting

awk search/replace specific field, using variables for regexp & subsitution then overwrite file

Hello, I'm trying the solve the following problem. I have a file which I intend to use as a csv called master.csv The columns are separated by commas. I want to change the text on a specific row in either column 3,4,5 or 6 from xxx to yyy depending upon if column 1 matches a specified pattern.... (3 Replies)
Discussion started by: cyphex
3 Replies

5. Shell Programming and Scripting

AWK replace one field

I have some problem with this. Need to change field #3 to 5 if field #1 = A and filed #2 =B DataA C 6 T C B 4 R A B 3 T D E 5 4 I would like to do two things if statement is true, but can not get it to work. Here it prints column #3 if statement is true, and this works awk '{if... (3 Replies)
Discussion started by: Jotne
3 Replies

6. Shell Programming and Scripting

How to print with awk specific field different from specific character?

Hello, i need help with awk. I have this file: cat number DirB port 67 er_enc_out 0 er_bad_os 0 DirB port 71 er_enc_out 56 er_bad_os 0 DirB port 74 er_enc_out 0 er_bad_os 0 DirB port 75 ... (4 Replies)
Discussion started by: elilmal
4 Replies

7. UNIX for Dummies Questions & Answers

How to replace and remove few junk characters from a specific field?

I would like to remove all characters starting with "%" and ending with ")" in the 4th field - please help!! 1412007819.864 /device/services/heartbeatxx 204 0.547%!i(int=0) 0.434 0.112 1412007819.866 /device/services/heartbeatxx 204 0.547%!i(int=1) 0.423 0.123... (10 Replies)
Discussion started by: snemuk14
10 Replies

8. Shell Programming and Scripting

awk to replace a specific field in certain condition

Hi, I have a file like below PRUM,67016800 ,CC ,C1,67016800 , ,Y,Y,2 ,CK,BX,FOX ,00000001,EA,00000001,20141120 00:00:00, ,N,Y,Y,CK ABCDEF... (7 Replies)
Discussion started by: mady135
7 Replies

9. Shell Programming and Scripting

awk - how to print specific field if a string is matched

hi gurus, I would like to be able to use awk to process 1 file as such: abc 1 2 3 4 5 6 7 8 9 10 flags 1 2 4 flags 1 2 5 abc 2 3 4 5 6 7 8 9 10 11 flags 1 2 3 abc 4 5 6 7 8 9 6 7 78 89 flags 1 2 3 flags 1 2 4 flags 1 2 3 4 I would like to be able to print field 1 and 5 when the... (4 Replies)
Discussion started by: revaroo
4 Replies

10. Shell Programming and Scripting

awk to add symbol to specific field

Trying to use awk to add a . to $4. The input and output is tab-delimeted, but the awk seems to add a . in front of $5 and is space-delimeted. It seems close, but I am not able to produce the desired output. Thank you :). file chr1 948895 949015 chr1:948895-949015 ISG15 chr1 ... (1 Reply)
Discussion started by: cmccabe
1 Replies
PG_FETCH_ROW(3) 														   PG_FETCH_ROW(3)

pg_fetch_row - Get a row as an enumerated array

SYNOPSIS
array pg_fetch_row (resource $result, [int $row]) DESCRIPTION
pg_fetch_row(3) fetches one row of data from the result associated with the specified $result resource. Note This function sets NULL fields to the PHP NULL value. PARAMETERS
o $result - PostgreSQL query result resource, returned by pg_query(3), pg_query_params(3) or pg_execute(3) (among others). o $row - Row number in result to fetch. Rows are numbered from 0 upwards. If omitted or NULL, the next row is fetched. RETURN VALUES
An array, indexed from 0 upwards, with each value represented as a string. Database NULL values are returned as NULL. FALSE is returned if $row exceeds the number of rows in the set, there are no more rows, or on any other error. EXAMPLES
Example #1 pg_fetch_row(3) example <?php $conn = pg_pconnect("dbname=publisher"); if (!$conn) { echo "An error occurred. "; exit; } $result = pg_query($conn, "SELECT author, email FROM authors"); if (!$result) { echo "An error occurred. "; exit; } while ($row = pg_fetch_row($result)) { echo "Author: $row[0] E-mail: $row[1]"; echo "<br /> "; } ?> SEE ALSO
pg_query(3), pg_fetch_array(3), pg_fetch_object(3), pg_fetch_result(3). PHP Documentation Group PG_FETCH_ROW(3)
All times are GMT -4. The time now is 02:58 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy