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?
# Random... (12 Replies)
Discussion started by: wisecracker
2. Shell Programming and Scripting
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
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
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
5. Shell Programming and Scripting
Hi Unix Gurus,
I have a requirement to generate positive random 16 and 13 digit numbers.
Here is the script I have so far.....
let "number %= 10000000000000";
But sometimes it is generating negative numbers and also 15 digit... (8 Replies)
Discussion started by: scorpioraghu
Hello All, I am stuck up in a program where the rand functions ends up giving all the same integers. Tried sleep, but the numbers turned out to be same... Can anyone help me out how to fix this issue ? I have called the srand once in the program, but I feel like when I call fork the child process... (5 Replies)
Discussion started by: manisum
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;
SEED=`expr $seed1 * $seed2 / $seed3`
Now, in online examples... (4 Replies)
Discussion started by: trey85stang
8. Shell Programming and Scripting
I am having trouble with generating random numbers. can this be done with awk?
So I have a file that looks like this:
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. Shell Programming and Scripting
Hello, need a way to generate numbers within 0.5-1.5 range
Has to be totally random:
and so on....
How to? (10 Replies)
Discussion started by: TehOne
10. Shell Programming and Scripting
Hi I want to genrate 10 random 32 bit binary numbers with hamming distance 4 and 8.
if we look carefully at these two binary numbers they differ at 4 places hence hamming distance 4. Now I want to genrate these numbers... (2 Replies)
Discussion started by: hack_tom