Sponsored Content
Top Forums Shell Programming and Scripting floating point variable in UNIX script Post 97691 by Perderabo on Wednesday 1st of February 2006 12:57:32 PM
Old 02-01-2006
Quote:
Originally Posted by linuxpenguin
This works for me, \
Will only work with bash, though.
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Floating Point Division

Does anyone have a simple way of doing floating point ("fp") division? For example, if I divide 3 by 5, I can get 0.6. The built-in calc (`bc`) will perform fp multiplication, but not division, at least not straight-up (i.e., starting bc and just typing in 3/5). I am trying to do this using... (1 Reply)
Discussion started by: gsatch
1 Replies

2. Shell Programming and Scripting

floating point shell variable

I have a two files >cat file1 jjjjj 10.345 6.673 ppp 9.000 5.883 >cat file2 mmm 80 10 jjjjj 10.305 6.873 ppp 9.000 5.883 I am reading file 1 line by line , and look for the string jjjj and then read the line in file 2 with jjjj I want to get the... (5 Replies)
Discussion started by: jojan
5 Replies

3. Linux

Floating point exception !!!

Hi, I have linux fedora 4 ver., 2.6 kernal. And qmail & mysql & samba servers are already configured on this server. When I try to install any package like squidguard ,dansguardian,webmin,rsnapshots with command rpm -ivh . It is giving error as “Floating point exception" Snap View is... (3 Replies)
Discussion started by: ssk01
3 Replies

4. Shell Programming and Scripting

How to compare floating point numbers in shell script?

How can we compare 2 floating point numbers in SHELL script? (11 Replies)
Discussion started by: dearanik
11 Replies

5. Shell Programming and Scripting

Floating point to integer in variable length lines

Hi ! I'm looking for a way to transform certain floating point numbers in a one-line, variable length file to integers. I can do this in a crude way with sed : sed -e 's/0\.\(\):/\1:/g' -e 's/0\.0\(\):/\1:/g' -e 's/1\.000:/100:/g' myfile ... but this doesn't handle the rounding correctly. ... (3 Replies)
Discussion started by: jossojjos
3 Replies

6. Programming

Floating Point

Anyone help me i cant found the error of floating point if needed, i added the code complete #include <stdio.h> #include <string.h> #include <stdlib.h> #include <ctype.h> typedef struct { int hh; int mm; int ss; char nom; int punt; }cancion; typedef struct... (9 Replies)
Discussion started by: Slasho
9 Replies

7. Shell Programming and Scripting

Add leading zeros in floating point variable

I need to add leading zeros in a floating point numbers. The length of the number should be 13 including decimal. The input number is changing so number of leading zeros is not fix. For example input output 216.000 000000216.000 1345.000 000001345.000 22345.500 ... (4 Replies)
Discussion started by: reeta_shri
4 Replies

8. UNIX for Advanced & Expert Users

Floating point argument for sleep command in Unix

Hi , How can I use floating point argument for sleep command in unix.I cannot use usleep as it is not suppported. Also how can I find out that a file is in use at that particular instant only.(wether it is being read or written) (7 Replies)
Discussion started by: kanus
7 Replies

9. Shell Programming and Scripting

IF statement on floating point variable in scientific format

Hi all, I'm struggling :wall: to make a an if statement on two variables in scientific format. e.g. a=1.23e+01 b=3.21e+02 I know that it can be done with bc if the variable are not in scientific format. But what to do in this case??? Thank you, (3 Replies)
Discussion started by: f_o_555
3 Replies

10. Shell Programming and Scripting

Bash script to print the smallest floating point number in a row that is not 0

Hello, I have often found bash to be difficult when it comes to floating point numbers. I have data with rows of tab delimited floating point numbers. I need to find the smallest number in each row that is not 0.0. Numbers can be negative and they do not come in any particular order for a given... (9 Replies)
Discussion started by: LMHmedchem
9 Replies
ppmtopgm(1)						      General Commands Manual						       ppmtopgm(1)

NAME
ppmtopgm - convert a portable pixmap into a portable graymap SYNOPSIS
ppmtopgm [ppmfile] DESCRIPTION
Reads a portable pixmap as input. Produces a portable graymap as output. The output is a "black and white" rendering of the original image, as in a black and white photograph. The quantization formula used is .299 r + .587 g + .114 b. Note that although there is a pgmtoppm program, it is not necessary for simple conversions from pgm to ppm , because any ppm program can read pgm (and pbm ) files automatically. pgmtoppm is for colorizing a pgm file. Also, see ppmtorgb3 for a different way of converting color to gray. And ppmdist generates a grayscale image from a color image, but in a way that makes it easy to differentiate the original colors, not necessarily a way that looks like a black and white photograph. QUOTE
Cold-hearted orb that rules the night Removes the colors from our sight Red is gray, and yellow white But we decide which is right And which is a quantization error. SEE ALSO
pgmtoppm(1),ppmtorgb3(1),rgb3toppm(1),ppmdist(1),ppm(5),pgm(5) AUTHOR
Copyright (C) 1989 by Jef Poskanzer. 10 April 2000 ppmtopgm(1)
All times are GMT -4. The time now is 02:07 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy