10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi Guys and gals...
As you know I am getting to grips with POSIX and hit this stumbling block.
Generating two random numbers 0 to 255 POSIXly. Speed in not important hence the 'sleep 1' command.
I have done a demo that works, but it sure is ugly! Is there a better way?
#!/bin/sh
# Random... (12 Replies)
Discussion started by: wisecracker
12 Replies
2. Shell Programming and Scripting
Hi,
How can I generate a string of random characters (alpha+numeric) of a particular length ?
For e.g. for
n=5, output = 'kasjf'
n=10, output = 'hedbcd902k'
Also, please let me know if random (valid) dates could also be generated.
Thanks (7 Replies)
Discussion started by: rishigc
7 Replies
3. Shell Programming and Scripting
Having a hard time with this. Very new to scripting and linux. Spent all sunday trying to do this. Appreciate some help and maybe help breaking down what the syntax does.
Create a Bash program. It should have the following properties
• Creates a secret number between 1 and 100
i. The... (3 Replies)
Discussion started by: LINUXnoob15
3 Replies
4. Shell Programming and Scripting
Hi there I am trying to generate a random number between 40 and 70 using the shell here is my code so far and it keeps going above 70. all help much appreciated!
comp=$(( RANDOM%70+40 ))
echo $comp (4 Replies)
Discussion started by: faintingquiche
4 Replies
5. Shell Programming and Scripting
Hi,
I have a file as
ABC 1634230,1634284,1634349,1634468 1634272,1634301,1634356,1634534
What I want is to find distance between the numbers.. column 1 is the gene name and column 2 are starts and column 3 are their respective stops for the starts. So what I want is column 3 which has +1... (2 Replies)
Discussion started by: Diya123
2 Replies
6. Shell Programming and Scripting
I want to generate an awk function that generated a Gaussian distributed set of random numbers. I need to implement the thing below in awk. Rnd is just a uniform random number between 0 and 1
function rgaussian(r1, r2) {
Do
v1 = 2 * Rnd - 1
v2 = 2 * Rnd - 1
... (0 Replies)
Discussion started by: kristinu
0 Replies
7. Programming
Im new to C, and Im having a hard time getting a random number.
In bash, I would do something similar to the following to get a random number;
#!/bin/bash
seed1=$RANDOM
seed2=$RANDOM
seed3=$RANDOM
SEED=`expr $seed1 * $seed2 / $seed3`
echo ${SEED%.*}
Now, in online examples... (4 Replies)
Discussion started by: trey85stang
4 Replies
8. Programming
Hi,
How can we generate 16 digit random nos in C. (10 Replies)
Discussion started by: ajaysahoo
10 Replies
9. Shell Programming and Scripting
Hi,
I am having trouble with generating random numbers. can this be done with awk?
So I have a file that looks like this:
23 30
24 40
26 34
So column1 is start and column2 is end. I want to generate 3 random #'s between start and stop:
So the output will look like this:
... (9 Replies)
Discussion started by: phil_heath
9 Replies
10. Shell Programming and Scripting
Hello, need a way to generate numbers within 0.5-1.5 range
Has to be totally random:
0.6
1.1
0.8
1.5
0.6
and so on....
How to? (10 Replies)
Discussion started by: TehOne
10 Replies
04-29-2007
I need this script just to make my work easier so that I don't have to do this manually. Anyway I don't think I will be needing script since I have already done this by just changing bits manually and then calculating integer value.