How can I modify my awk code to get rid of the divion by zero error message? If I run the script without an input file, it should return error message "Input file missing" but not divison by zero.
Code:
#!/bin/nawk -f
BEGIN {
if (NR == 0)
{print "Input file... (4 Replies)
I need to read the file divide 3 column with 2nd and run a modulus of 10 and check whether the remainder is zero or not if not print the entire line.
cat filename | awk '{ if ($3 / $2 % 10 != 0) print $0}'
Whats wrong with it ? (4 Replies)
vmstat|awk '{print $3}'|tail -1
returns 6250511, but what I need is 24416, which is 6250511 divided by 256.
Please advise.
Thank you so much (2 Replies)
hello
i try to divide 2 variables in order to get a percentage--that's why i'm not interested in integer division--but nothing seems to work
I think awk is suitable for this but i'm not quite sure how to use it..
any ideas?
here's what I want to do:
percentage = varA/varB
thank you (2 Replies)
Hi Friends,
I have an input file like this
cat input
chr1 100 200 1 2
chr1 120 130 na 1
chr1 140 160 1 na
chr1 170 180 na na
chr1 190 220 0 0
chr1 220 230 nd 1
chr2 330 400 1 nd
chr2 410 450 nd nd
chr3 500 700 1 1
I want to calculate the division of 4th and 5th columns. But, if... (3 Replies)
Hi Friends,
I don't understand why "a" is always being printed as zero, when I execute the following command.
awk '{if($6||$8||$10||$12==0)a=b=c=d=0;else (a=$5/$6);(b=$7/$8);(c=$9/$10);(d=$11/$12); {print... (6 Replies)
Hello,
How can I add a logic to awk to tell it to print 0 when encountering a division by zero attempted? Below is the code. Everything in the code works fine except the piece that I want to calculate read/write IO size. I take the kbr / rs and kbw / ws. There are times when the iostat data... (5 Replies)
Discussion started by: tommyd
5 Replies
LEARN ABOUT DEBIAN
gchem3d
GCHEM3D(1) gnome-chemistry-utils GCHEM3D(1)NAME
gchem3d - a small chemical viewer application
SYNOPSIS
gchem3d [OPTION(S)...] [FILE...]
DESCRIPTION
gchem3d is a small chemical viewer application, which can show several chemical file formats.
OPTIONS
The following options are accepted:
-b COLOR, --bgcolor=COLOR
Use the given color as background color. COLOR can be one of "black" (default), "white", "#rrggbb" (don't forget to escape the "#"
character in the shell).
-d MODEL, --display3d=MODEL
Choose how molecules are displayed. MODEL can be one of "BallnStick" (default), "SpaceFill".
-?, --help
Show application help options.
--help-all, --help-*
Print all or just a group of help options. These options are not documented here. Instead see gtk-options(7) and gnome-options(7).
-v, --version
Print gchem3d version information.
SEE ALSO gnome-options(7), gtk-options(7)AUTHORS
Jean Brefort <jean.brefort@normalesup.org>
Program author.
Daniel Leidert <daniel.leidert@wgdd.de>
Manpage author.
COPYRIGHT
Copyright (C) 2002-2007 Jean Brefort
Copyright (C) 2004-2007 Daniel Leidert
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 or any
later version published by the Free Software Foundation.
gcu 0.12 $Date: 2009-03-19 10:53:47 +0100 (jeu. 19 mars 2009) $ GCHEM3D(1)