Sponsored Content
Top Forums Shell Programming and Scripting Help with numeric manupulations Post 302627331 by Corona688 on Friday 20th of April 2012 12:27:07 PM
Old 04-20-2012
If you want to do this all in awk:

Code:
awk -v val="$val" 'END { printf("%.3f", (val*3*16384)/1073741824); }' /dev/null

 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

non-numeric argument

quick question, I am trying to run this simple equation expr 2048 / 2.354 but get a "expr: non-numeric argument" error when ever its run. I believe it may be caused by the decimal point but I do not know how to remedy it. (3 Replies)
Discussion started by: TiredOrangeCat
3 Replies

2. Shell Programming and Scripting

Checking numeric value

Hi, How can I check numeric value in shell? I am passing one parameter (integer) and I want to restrict any other characters except 0-9. ./script xyz 10 Here 2nd parameter (10) should be integer only. Can anyone help on this? Malay (6 Replies)
Discussion started by: malaymaru
6 Replies

3. Shell Programming and Scripting

Perl code to differentiate numeric and non-numeric input

Hi All, Is there any code in Perl which can differentiate between numeric and non-numeric input? (11 Replies)
Discussion started by: Raynon
11 Replies

4. Shell Programming and Scripting

String manupulations...

hiii i need help with the string operations.i need to know how do we.. 1.Copy a string s1 to string s0, then append string s2 to it. 2.Replace all occurrences of substring s2 with another substring s3 in the given string s1.here the lengths of s2 and s3 may not always be equal. 3.Locate... (2 Replies)
Discussion started by: cutelucks
2 Replies

5. Solaris

Using all numeric for username

Hello, We have a Solaris 9 machine and recently our client want to create username based on staff numbers (all numeric). Is there any limitation in Solaris regarding creating username with numeric values (eg: 13598029)? Thanks & Regards Aryawarman Mahzar (5 Replies)
Discussion started by: aryamahzar
5 Replies

6. Shell Programming and Scripting

Numeric Validation

Hi, How to check whether an input to a shell script contain only numeric values. Is there any way to check against the following characters. & ( ) | \ " ' < > ` I've used the following way. echo $1 | grep "\{2\}$" if then (12 Replies)
Discussion started by: sumesh.abraham
12 Replies

7. Shell Programming and Scripting

Numeric or not

Is there a simple way of determining whether a command line arguement is numeric or not?? I tried a search and didn't find anything similar... This is the 2nd time I've made this post.... It didn't appear that the first one showed up ?? Sorry if this is a duplicate... (1 Reply)
Discussion started by: harrisjl
1 Replies

8. Shell Programming and Scripting

Numeric or not?

Is there an easy way using a command or other routine for testing whether an argument on the command line is numeric? Just want to validate... I ran a search and didn't find a similar question.... Thx (3 Replies)
Discussion started by: harrisjl
3 Replies

9. UNIX for Dummies Questions & Answers

First argument is numeric or not

Hi everyone, I want my script to check if the first argument has only numbers or not. Im not sure what im doing wrong. This is how it looks like: if *") ] then echo 'The first arguement should only be in numeric' 1>&2 exit 1 else exit 0 fi (7 Replies)
Discussion started by: darkhider
7 Replies

10. UNIX for Dummies Questions & Answers

Find and Replace random numeric value with non-numeric value

Can someone tell me how to change the first column in a very large 17k line file from a random 10 digit numeric value to a non numeric value. The format of lines in the file is: 1702938475,SNU022,201004 the first 10 numbers always begin with 170 (6 Replies)
Discussion started by: Bahf1s
6 Replies
pfspad(1)						      General Commands Manual							 pfspad(1)

NAME
pfspad - Add borders to a frame in PFS stream SYNOPSIS
pfspad [--left <columns>] [--right <columns>] [--top <rows>] [--bottom <rows>] [--width <new_width>] [--height <new_height>] [--R <val>] [--G <val>] [--B <val>] [--Y <val>] [--help] DESCRIPTION
Add borders to each frame in PFS stream. User specifies size of left, right, top and bottom border or size of an output image. Color of borders can be specified as well. OPTIONS
--left <columns>, -l <columns> Width in pixels of the left border. --right <columns>, -r <columns> Width in pixels of the right border. --top <rows>, -t <rows> Height in pixels of the top border. --bottom <rows>, -b <rows> Height in pixels of the bottom border. --width <new_width>, -W <new_width> Width of an output image. Note that --width can be mixed with either --left or --right option. --height <new_height>, -H <new_height> Height of an output image. Note that --height can be mixed with either --top or --bottom option. --R <val>, -R <val>, --G <val>, -G <val>, --B <val>, -B <val> Color of borders in RGB mode. Default color is black, and if some of the components is not specified, its value is set to 0.0. --Y <val>, -Y <val> Color of borders in luminance mode. --help, -h Print a list of commandline options. EXAMPLES
pfsin image.hdr | pfspad --left 50 --bottom 20 | pfsout out.hdr Add 50 columns to the left and 20 rows to the bottom side of image.hdr. Color of borders is default black. pfsin image.hdr | pfspad --top 20 --height 500 --width 400 --R 1.0 | pfsout out.hdr Add 20 rows to the top side of image.hdr and create output image out.hdr 500 pixels in height and 400 pixels in width. Color of bor- ders is set to red. SEE ALSO
pfsin(1) pfsout(1) BUGS
Please report bugs and comments to Dorota Zdrojewska <dzdrojewska@wi.ps.pl>. pfspad(1)
All times are GMT -4. The time now is 11:14 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy