Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: awk command: column operations
Top Forums Shell Programming and Scripting awk command: column operations Post 302447548 by bartus11 on Monday 23rd of August 2010 01:17:41 PM
Old 08-23-2010
Code:
awk 'NR==1{min=$2}{a[$2]=$1;if($2<min)min=$2}END{print "Min Loss: "min," Freq: "a[min]}' file > out.txt

This User Gave Thanks to bartus11 For This Post:
shashi792
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

command for a series of operations

I want to append a file containing a list of names and the sorted contents of the file should be copied to a new file. All this should be on a single line( using pipes and redirection) Pls help .. thankyou (1 Reply)
Discussion started by: phiber_optik
1 Replies

2. Shell Programming and Scripting

Masking a column using awk command

Thanks...It was a spoiler for my Team... (5 Replies)
Discussion started by: Diggi
5 Replies

3. Shell Programming and Scripting

Help With Array Operations in AWK

I have two files file1 A 2 4 6 8 B 1 3 5 7 C 1 3 5 7 D 1 3 5 7 E 1 3 5 7 file2 C D E F G H I J K L I need to add field 1 of file1 to both field 2s of file2 and repeat the same on all the rows in... (2 Replies)
Discussion started by: cold_Que
2 Replies

4. Shell Programming and Scripting

awk command - column merging

I have two files having 3 coulms and 1 column respectively file1.txt 0 22.89 35.60 10 22.80 35.61 20 22.70 35.63 30 22.32 35.68 50 19.23 35.79 75 16.10 35.59 100 15.00 35.52 125 14.45 35.46 150 13.91 35.41 200 12.94 35.28 ... (7 Replies)
Discussion started by: shashi792
7 Replies

5. UNIX for Dummies Questions & Answers

arithmetic operations on 1 column of a file

Hi, I have a file with thousands of lines like this: Chr1 477515 . ACCCC ACCC 17.7 . INDEL;DP=17;AF1=1;CI95=0.5,1;DP4=0,1,0,3;MQ=32;PV4=1,0.036,1,1 Chr1 481987 . A AAAT 62 . INDEL;DP=11;AF1=1;CI95=0.5,1;DP4=0,0,1,3;MQ=41 I want to make a file with... (2 Replies)
Discussion started by: fadista
2 Replies

6. Shell Programming and Scripting

how to do arithmetic operations in one line command

I have a file like this product qty1 qty2 value cola 50 25 1 pepsi 100 75 2 muffin 25 30 0.5 would like to do the following operations with one line command 1) disply the line having "Qty1" greater than or equal to 50 2) display the line Qty1 - Qty2 ... (2 Replies)
Discussion started by: johnveslin
2 Replies

7. Shell Programming and Scripting

Arthmetic & Operations Using AWK

Trying to do math while using awk and if statements. awk 'BEGIN {FS = ":"} ; {if($2=1) {$3 +=}; print "Total employee work hours: " $3}' works_on.txt The file format is 123456789:1:32.5 123456789:2:7.5 666884444:3:40.0 453453453:1:20.0 453453453:2:20.0 333445555:2:10.0 ... (6 Replies)
Discussion started by: Rapcher
6 Replies

8. Shell Programming and Scripting

awk command to print only selected rows in a particular column specified by column name

Dear All, I have a data file input.csv like below. (Only five column shown here for example.) Data1,StepNo,Data2,Data3,Data4 2,1,3,4,5 3,1,5,6,7 3,2,4,5,6 5,3,5,5,6 From this I want the below output Data1,StepNo,Data2,Data3,Data4 2,1,3,4,5 3,1,5,6,7 where the second column... (4 Replies)
Discussion started by: ks_reddy
4 Replies

9. Shell Programming and Scripting

How to Replace the value of a column using awk command?

Hi cat test.txt H|123|341|567|asfg D|dfg|trtyy|errt D|ert|frty|wer Here I need to replace the third column value with 100 of the first record only and while printing I need to print the full file content also..I am expecting a result like this H|123|100|567|asfg D|dfg|trtyy|errt... (3 Replies)
Discussion started by: saj
3 Replies

10. Shell Programming and Scripting

Mathematical Operations on Column

Hi All, I want to perform a mathematical operation on column. Can anyone please help? Here is the sample of operation to be performed: 123 996 100 123 996 200 123 996 200 2015-09-21 123 996 100 123 996 200 123 996 100 What I want is to multiple all values of column # 3 by 100 and... (3 Replies)
Discussion started by: Zaib
3 Replies

LEARN ABOUT LINUX

shtool-table

SHTOOL-TABLE.TMP(1)					      GNU Portable Shell Tool					       SHTOOL-TABLE.TMP(1)

NAME

       shtool-table - GNU shtool pretty-print a field-separated list

SYNOPSIS

       shtool table [-F|--field-sep sep] [-w|--width width] [-c|--columns cols] [-s|--strip strip] strsepstr...

DESCRIPTION

       This pretty-prints a list of strings as a table.

OPTIONS

       The following command line options are available.

       -F, --field-sep sep
	   Separate columns using sep. Default is ":".

       -w, --width width
	   Width of each column. Default is 15 characters.

       -c, --columns cols
	   Number of columns. Default is 3.

       -s, --strip strip
	   Strip off any characters past strip. Default is 79.

EXAMPLE

	#   shell script
	shtool table -F , -w 5 -c 4 "1,2,3,4,5,6,7,8,9,10,11,12"

HISTORY

       The GNU shtool table command was originally written by Ralf S.  Engelschall <rse@engelschall.com> in 1999 for GNU shtool.

SEE ALSO

       shtool(1), tr(1), fmt(1), sh(1), awk(1), sed(1).

18-Jul-2008							   shtool 2.0.8 					       SHTOOL-TABLE.TMP(1)
All times are GMT -4. The time now is 05:58 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy