Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: How to ignore relative few occurrences of a field value?
Top Forums Shell Programming and Scripting How to ignore relative few occurrences of a field value? Post 302880104 by abercrom on Tuesday 17th of December 2013 12:05:41 PM
Old 12-17-2013
How to ignore relative few occurrences of a field value?
Hi experts,

I have a very long file that looks about like this.

Code:
aaad_1577 64000
aaad_1577 72000
aaad_1577 72000
aaad_1577 65000
aaad_1577 65000
(...aaad about a thousand times...)
bbbd_2002 56000
bbbd_2002 57000
bbbd_3045 57000
cccd_3452 150000
dddd_6014 150000
dddd_6014 150000
dddd_6014 150000
(...dddd about a thousand times...)

I want to ignore the rows where the first column values occur fewer than handful of times, say 5 times.

It would be helpful if I could see how many occurrences I'm getting before I ignore them so I can go from this:

Code:
aaad_1577 64000 1005
aaad_1577 72000 1005
aaad_1577 72000 1005
aaad_1577 65000 1005
aaad_1577 65000 1005
(...aaad about a thousand times...)
bbbd_2002 56000 2
bbbd_2002 57000 2
bbbd_3045 57000 1
cccd_3452 150000 1
dddd_6014 150000 1003
dddd_6014 175000 1003
dddd_6014 150000 1003
(...dddd about a thousand times...)

to using this:

awk '{ if ($3>3) print $0}' [file]

and get this:

Code:
aaad_1577 64000 1005
aaad_1577 72000 1005
aaad_1577 72000 1005
aaad_1577 65000 1005
aaad_1577 65000 1005
(...aaad about a thousand times...)
dddd_6014 150000 1003
dddd_6014 175000 1003
dddd_6014 150000 1003
(...dddd about a thousand times...)


Thank you!
 

10 More Discussions You Might Find Interesting

1. Programming

relative pointers on Unix

Hi all: We're porting lot of C code from Windows to Unix. In Windows we're using relative pointers (with the _based keyword) to access some structures placed on shared memory. We would need something like the Microsoft's _based keyword for unix. Does something similar exist in Unix? If not, is... (3 Replies)
Discussion started by: rahul_verma
3 Replies

2. UNIX for Dummies Questions & Answers

list all ports and their relative IP@ if any

Hi all i'm working on a LINUX-based platform. i'm little confused with PORTs. i have my platform connected to many other platforms, i need to know the relative port for each IP@. i know the IP of each connected platform to mine, but i'm not sure about the relative PORT for each platform...... (4 Replies)
Discussion started by: samsal_991
4 Replies

3. UNIX for Dummies Questions & Answers

get cygpath to leave relative paths as relative?

If I execute mypath=`cygpath -w ../` echo $mypath I get d:\unix\nextVersion\script OK, d:\unix\nextVersion\script is the correct windows version of the path, but it is in absolute form. I would prefer it if cygpath left it in relative form, i.e. echo $mypath should output ..\ ... (0 Replies)
Discussion started by: fabulous2
0 Replies

4. UNIX for Dummies Questions & Answers

problem with relative pathing

Hi all, My directory structure is as follows home /md/DEV/SCRIPTS/DAILY and home/md/DEV/MIS/LANDING so this command find home/md/DEV/MIS/LANDING -name MIS_Customer_\* is giving me the desired output ... (1 Reply)
Discussion started by: rajarp
1 Replies

5. Shell Programming and Scripting

Relative path not safe

Hallo everyone, I am running an SQL-Script over KShell-Script. Thus, in the KShell-Script there are these lines: WORKPATH=$PWD/work EXPORTDIR=export_meine_datei_bitte EXPORTPATH=${WORKPATH}/${EXPORTDIR} ... db2 connect to ${DBNAME} || die "can not open database connection" db2... (9 Replies)
Discussion started by: ratnalein88
9 Replies

6. UNIX for Dummies Questions & Answers

Relative column offsets

Ive been trying to slide the second column one line down while keeping the first one in place. For a start, I tried to see if I can go through every line and print the element located on the line below with the following command, but it didnt work. Maybe awk is not the right way to do it. Matlab... (6 Replies)
Discussion started by: Alabama
6 Replies

7. UNIX for Dummies Questions & Answers

Help with cp command using relative path?

I have a lab I am doing for a Linux Operating class. The question I am stumped on is "For the following questions, only use the cp command to copy files. You should currently be inside your lab07 directory. Create a subdirectory inside this directory called ones and copy (working ... (1 Reply)
Discussion started by: CodyMongrel
1 Replies

8. UNIX for Dummies Questions & Answers

Relative Pathnames

Hi, Could anyone help me with the following questions about relative addressing. The questions are: 1) Enter below the command to copy the file basics.pptto the folder outline, using relative addressing. 2) Enter below to move the file .secrets.doc to the folder Day1 using relative addressing.... (1 Reply)
Discussion started by: ml123
1 Replies

9. Shell Programming and Scripting

How can awk ignore the field delimiter like comma inside a field?

We have a csv file as mentioned below and the requirement is to change the date format in file as mentioned below. Current file (file.csv) ---------------------- empname,date_of_join,dept,date_of_resignation ram,08/09/2015,sales,21/06/2016 "akash,sahu",08/10/2015,IT,21/07/2016 ... (6 Replies)
Discussion started by: gopal.biswal
6 Replies

10. Shell Programming and Scripting

awk to ignore whitespace in field

The awk below executes and update the desired field in my first awk. However, the white space between nonsynonymous SNV in $9 is being split into tabs and my attempt to correct this does not update the field unless it is removed. I am not sure what I am doing wrong? Thank you :). file1 ... (4 Replies)
Discussion started by: cmccabe
4 Replies

LEARN ABOUT DEBIAN

ppmtosixel

ppmtosixel(1)						      General Commands Manual						     ppmtosixel(1)

NAME

       ppmtosixel - convert a portable pixmap into DEC sixel format

SYNOPSIS

       ppmtosixel [-raw] [-margin] [ppmfile]

DESCRIPTION

       Reads  a  portable  pixmap  as input.  Produces sixel commands (SIX) as output.	The output is formatted for color printing, e.g. for a DEC
       LJ250 color inkjet printer.

       If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled.  A printer control header and a color assignment table
       begin the SIX file.  Image data is written in a compressed format by default.  A printer control footer ends the image file.

OPTIONS

       -raw   If  specified,  each  pixel  will  be explicitly described in the image file.  If -raw is not specified, output will default to com-
	      pressed format in which identical adjacent pixels are replaced by "repeat pixel" commands.  A raw file is often an order	of  magni-
	      tude larger than a compressed file and prints much slower.

       -margin
	      If  -margin  is not specified, the image will be start at the left margin (of the window, paper, or whatever).  If -margin is speci-
	      fied, a 1.5 inch left margin will offset the image.

PRINTING

       Generally, sixel files must reach the printer unfiltered.  Use the lpr -x option or cat filename > /dev/tty0?.

BUGS

       Upon rescaling, truncation of the least significant bits of RGB values may result in poor color conversion.  If the original PPM maxval was
       greater	than  100,  rescaling  also reduces the image depth.  While the actual RGB values from the ppm file are more or less retained, the
       color palette of the LJ250 may not match the colors on your screen.  This seems to be a printer limitation.

SEE ALSO

       ppm(5)

AUTHOR

       Copyright (C) 1991 by Rick Vinci.

								   26 April 1991						     ppmtosixel(1)
All times are GMT -4. The time now is 09:32 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy