I'm trying to remove lines of data that contain duplicate data in a specific column.
For example.
apple 12345
apple 54321
apple 14234
orange 55656
orange 88989
orange 99898
I only want to see
apple 12345
orange 55656
How would i go about doing this? (5 Replies)
Hi All,
I am having following file and I want to delete 1 row last column.
Current File Content:
================
procedure test421 put_line
procedure test321 test421
procedure test521 test321
procedure test621 test521
Expected File Content:
===========================
procedure... (3 Replies)
How do you delete cells from a space delimited text file given row and column number? Letś say the row number is r and the column number is c. Thanks! (5 Replies)
Hello gurus,
I am hoping someone can help me with the required code/script to make this work. I have the following file with records starting at line 4:
NETW~US60~000000000013220694~002~~IT~USD~2.24~20110201~99991231~01~01~20101104~... (4 Replies)
Hi, as the title states i need to find a way to search a column for values great than 1000, and if it is, then delete that row.
An example
1 7.021 6.967 116.019 4 U 6.980E+07 0.000E+00 e 0 0 0 0
2 8.292 7.908 118.063 3 U 1.440E+07 0.000E+00 e 0 821 814 ... (3 Replies)
Hi,
I want to delete rows that have 0 at column 4.
The file looks like this:
chr01 13 61 2
chr01 65 153 0
chr01 157 309 1
chr01 313 309 0
chr01 317 469 1
chr01 473 557 0
I want to delete all rows with a 0 at column 4
chr01 13 61 2
chr01 157 309 1
chr01 ... (3 Replies)
Hi, I have a long file in the format below. I want to delete the consecutive lines that contain the same value in column 1.
I have tried awk '!x++' FS="," filename
This has not worked.
14,MM709_BHP_DM,BHP,BHP_MC709_DM
19,OFFLINE,CHE,CHEV_MC773_DM
20,M33,BP,BP_MIM775_NS_DM ... (2 Replies)
Hi guys,
i have a csv file like:
USERID;COG;DESCR;FIL;OFF
user001;user;test1;001;A01
user002;user;test2;002;A02
user0003;user;test3;003;A03
user004;user;test4;004;A04
user0005;user;test5;005;A05
etc..
I need to read line for line and, if value of first column is > 7 char (in this example... (4 Replies)
Discussion started by: kamose
4 Replies
LEARN ABOUT LINUX
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)