return a list of unique values of a column from csv format file Post: 302361527

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

print unique values of a column and sum up the corresponding values in next column

Hi All, I have a file which is having 3 columns as (string string integer) a b 1 x y 2 p k 5 y y 4 ..... ..... Question: I want get the unique value of column 2 in a sorted way(on column 2) and the sum of the 3rd column of the corresponding rows. e.g the above file should return the...

2. Shell Programming and Scripting

AWK, Perl or Shell? Unique strings and their maximum values from 3 column data file

I have a file containing data like so: 2012-01-02 GREEN 4 2012-01-02 GREEN 6 2012-01-02 GREEN 7 2012-01-02 BLUE 4 2012-01-02 BLUE 3 2012-01-02 GREEN 4 2012-01-02 RED 4 2012-01-02 RED 8 2012-01-02 GREEN 4 2012-01-02 YELLOW 5 2012-01-02 YELLOW 2 I can't always predict what the...

3. Shell Programming and Scripting

List unique values and count instances in .csv file

I need to take the second column of a .csv file and count the number of instances of each unique value in that same second column. I'd like the output to be value,count sorted by most instances. Thanks for any guidance! Data example: 317476,317756,0 816063,318861,0 313123,319091,0...

4. UNIX for Dummies Questions & Answers

Grep to find matching patern and return unique values

Request: grep to find given matching patern and return unique values, eliminate the duplicate values I have to retrieve the unique folder on the below file contents like; /app/oracle/build_lib/pkg320.0_20120927 /app/oracle/build_lib/pkg320.0_20121004_prof...

5. Shell Programming and Scripting

Remove the values from a certain column without deleting the Column name in a .CSV file

6. Linux

To get all the columns in a CSV file based on unique values of particular column

cat sample.csv ID,Name,no 1,AAA,1 2,BBB,1 3,AAA,1 4,BBB,1 cut -d',' -f2 sample.csv | sort | uniq this gives only the 2nd column values Name AAA BBB How to I get all the columns of CSV along with this?

7. Shell Programming and Scripting

Extracting unique values of a column from a feed file

Hi Folks, I have the below feed file named abc1.txt in which you can see there is a title and below is the respective values in the rows and it is completely pipe delimited file ,. ...

8. Shell Programming and Scripting

Using grep and a parameter file to return unique values

Hello Everyone! I have updated the first post so that my intentions are easier to understand, and also attached sample files (post #18). I have over 500 text files in a directory. Over 1 GB of data. The data in those files is organised in lines: My intention is to return one line per...

9. Shell Programming and Scripting

CSV File:Filter duplicate records from column1 & another column having unique record

Hi Experts, I have csv file with 30, 40 columns Pasting just 2 column for problem description. Need to print error if below combination is not present in file check for column-1 (DocumentNumber) and filter columns where value in DocumentNumber field is same. For all such rows, the field...

LEARN ABOUT DEBIAN

ifpps

ifpps(8)							netsniff-ng-toolkit							  ifpps(8)

NAME

       ifpps - fetch and format kernel network statistics

SYNOPSIS

       ifpps	 -d|--dev <netdev> [-t|--interval <sec>][-p|--promisc][-c|--term]
	    [-C|--csv][-H|--csv-tablehead][-l|--loop][-v|--version][-h|--help]

DESCRIPTION

       A tiny tool to provide top-like reliable networking statistics.	ifpps reads out the 'real' kernel statistics, so it does not give
       erroneous statistics on high I/O load.

OPTIONS

       ifpps --dev eth0
	   Fetch eth0 interface statistics.

       ifpps --dev eth0 --interval 60 --csv
	   Output eth0 interface statistics every minute in CSV format.

OPTIONS

       -h|--help
	   Print help text and lists all options.

       -v|--version
	   Print version.

       -d|--dev <netdev>
	   Device to fetch statistics for i.e., eth0.

       -p|--promisc
	   Put the device in promiscuous mode

       -t|--interval <time>
	   Refresh time in sec (default 1 sec)

       -c|--term
	   Output to terminal

       -C|--csv
	   Output in CSV format.  E.g. post-processing with Gnuplot et al.

       -H|--csv-tablehead
	   Print CSV table head.

       -l|--loop
	   Loop terminal output.

AUTHOR

       Written by Daniel Borkmann <daniel@netsniff-ng.org>

DOCUMENTATION

       Documentation by Emmanuel Roullit <emmanuel@netsniff-ng.org>

BUGS

       Please report bugs to <bugs@netsniff-ng.org>

								    2012-06-29								  ifpps(8)