Is anyone know some scripts to generate random number without repetition using bash; for example generate 10 different random numbers.
Thanks (8 Replies)
Hi,
I am currently trying to generate multiple random numbers in C for different variable:-
die1=1+(rand()%5);
die2=1+(rand()%5);
die3=1+(rand()%5);
die4=1+(rand()%5);
But I need to contrain the total of die1, die2,die3 and die4 to be 5 as well. If i insert die1+die2+die3+die4=5, i do... (6 Replies)
Hello,
I am very new to UNIX and I have been learning about writing scripts and making them executable. I created a script called myscript. It has three lines:
#! /bin/sh
# This is my first shell script
echo friendsjustfriends
Now I try to run it using the sh command and it works
Next I... (4 Replies)
Hello All,
I want to make a simple script which generate random number from 0 to 1000.
and simply display it.
Plz HELP!!!!!!
Regards,
Waqas Ahmed (2 Replies)
Hi Guys I have a script to find Ranomd numbers. But I want to make the file to produce more random. Could u guys help me plz.
In this Script I have the code that generates random in for loop and the range I have specified in my %chromlength
input and out put will be like this
chrno start end... (3 Replies)
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)
Hello,
This is my first post so, Hello World! Anyways, I'm learning how to use unix and its quickly become apparent that a strong foundation in regular expressions will make things easier. I'm not sure if my syntax is messing things up or my logic is messing things up.
ps -e | grep... (4 Replies)
i want to generate a random number through a script, and even if anyone reads the script, they wont be able to figure out what the random number is. only the person who setup the script would know it.
something like this could work: random
the full thread is here:
... (13 Replies)
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
Write a shell script that will take the sum of two random number?
Ex: Random n1 +Random n2 = result
i tries to write it but i had some dufficulties
... (3 Replies)
Discussion started by: renegade755
3 Replies
LEARN ABOUT OSX
rand
RAND(3) BSD Library Functions Manual RAND(3)NAME
rand, rand_r, srand, sranddev -- bad random number generator
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <stdlib.h>
int
rand(void);
int
rand_r(unsigned *seed);
void
srand(unsigned seed);
void
sranddev(void);
DESCRIPTION
These interfaces are obsoleted by arc4random(3).
The rand() function computes a sequence of pseudo-random integers in the range of 0 to RAND_MAX (as defined by the header file <stdlib.h>).
The srand() function sets its argument seed as the seed for a new sequence of pseudo-random numbers to be returned by rand(). These
sequences are repeatable by calling srand() with the same seed value.
If no seed value is provided, the functions are automatically seeded with a value of 1.
The sranddev() function initializes a seed, using the random(4) random number device which returns good random numbers. However, the rand()
function still remains unsuitable for cryptographic use.
The rand_r() function provides the same functionality as rand(). A pointer to the context value seed must be supplied by the caller.
SEE ALSO arc4random(3), random(3), random(4)STANDARDS
The rand() and srand() functions conform to ISO/IEC 9899:1990 (``ISO C90'').
The rand_r() function is as proposed in the POSIX.4a Draft #6 document.
BSD May 25, 1999 BSD