10 More Discussions You Might Find Interesting
1. OS X (Apple)
Apologies for any typos, etc...
This took a while but it didn't beat me...
Although there are many methods of generating random numbers in a POSIX shell this uses integer maths and a simple C source to create an executable to get epoch to microseconds accuracy if it is needed. I take... (8 Replies)
Discussion started by: wisecracker
2. Shell Programming and Scripting
Is anybody experience generate a pair of random number by using awk command?
I wanna to generate a pair of random number (range from 1 to 4124) and repeats it 416 times.
I did write the below command:
awk... (5 Replies)
Discussion started by: perl_beginner
3. Shell Programming and Scripting
Need to use dd to generate a large file from a sample file of random data. This is because I don't have /dev/urandom.
I create a named pipe then:
dd if=mynamed.fifo do=myfile.fifo bs=1024 count=1024
but when I cat a file to the fifo that's 1024 random bytes:
cat randomfile.txt >... (7 Replies)
Discussion started by: Devyn
4. UNIX for Dummies Questions & Answers
I have a question. I have a txt file say 4000 rows X 1800 Column. I 'd like to creat a new column as the first column which is a column of random numbers (n=4000)
thanks a lot!
Lin (2 Replies)
Discussion started by: forevertl
5. Shell Programming and Scripting
I have extracted some report from database for few activities done.
Now I have a requirement to add some random time(In range of 10-35) in front of each activity.
Can be generated random numbers in any bash/sh shell within a given number range, let's say in between 10-30.
... (10 Replies)
Discussion started by: gr8_usk
I saw this formula to generate random number between two specified values in shell script.the following.
Give a example in book.
Generate random number between 6 and 30.like this.
But I have a... (1 Reply)
Discussion started by: luoluo
7. Shell Programming and Scripting
I am trying to define number of array based on constant derived during execution phase of a script. Here is what i am trying..
#First Part, Get LUN input from User
set -A my_lun
while ]; do
read L?"Enter Lun "$count" Number:"
... (2 Replies)
Discussion started by: harris2107
8. Shell Programming and Scripting
Could any one tell how can I generate random number from (0, 100..200) in perl?
Thanks! (2 Replies)
Discussion started by: zx1106
9. Shell Programming and Scripting
I need to generate 4 digit random no using only shell script.
Please help in this ASAP.
Thanks in advance...
sridhar. (1 Reply)
Discussion started by: sridhusha
How to generate a random integer with specific range(for example, from 1 to 1000)?
Also, how to convert a floating point number into a integer? (2 Replies)
Discussion started by: MacMonster