Login or Register to Ask a Question and Join Our Community


Shell Programming and Scripting

random number generation in ksh

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting random number generation in ksh
# 1  
Old 12-28-2008
random number generation in ksh
i tried to use $random function in unix
i simply typed print $random at shell and it returnted no value
is there any function in korn shell that i can use to generate random number

help is appreciated
# 2  
Old 12-28-2008
You do not want $random, you want $RANDOM.
# 3  
Old 12-29-2008
Note that RANDOM is only a pseudo-random number generator which returns an integer which is "uniformly distributed" between 0 and 32767. To provide less predictability, you should initialize RANDOM by first assigning a numeric value to RANDOM.
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. AIX

Random password generation

Hello, I have created a script to generate a random password on Linux/Solaris, but I simply cannot use it on my AIX VMs since Bash isn't installed on them. I need a password that is randomly created with the following... (12 Replies)
Discussion started by: gfroute
12 Replies

2. Programming

random number

How can I choose randomly the row numbers of my file in awk? (4 Replies)
Discussion started by: Homa
4 Replies

3. Shell Programming and Scripting

Random word generation with AWK

Hi - I have a word GTTCAGAGTTCTACAGTCCGACGAT I need to extract all the possible "chunks" of 7 or above letter "words" from this. SO, my out put should be GTTCAGA TTCAGAG TCAGAGT CAGAGTTCT TCCGACGAT CAGTCCGACG etc. How can I do that with awk or any other language? I have no... (2 Replies)
Discussion started by: polsum
2 Replies

4. Shell Programming and Scripting

ksh: random number between 1-10

How do I create a random number between 1 and 10 in kornshell? (2 Replies)
Discussion started by: dangral
2 Replies

5. Shell Programming and Scripting

Random NUmbers Generation with out repetation

Hi I have the below code MAXCOUNT=10 count=1 echo echo "$MAXCOUNT random numbers:" echo "-----------------" while # Generate 10 ($MAXCOUNT) random integers. do number=$ + 1 ] "echo $number" let "count += 1" # Increment count. done But aftre executing this ... (8 Replies)
Discussion started by: lalitka
8 Replies

6. Shell Programming and Scripting

Sequence number generation on a key column

Hi Folks, Can you help me with this issue: I have to generate the numbers say from 1001 for each record in a file based on a key field, the catch is the generated number should be unique based on key column. (EMP_NUMBER) Example: Input File: EMP_NUMBER EMP_NAME 8908 ... (6 Replies)
Discussion started by: sbasetty
6 Replies

7. UNIX for Dummies Questions & Answers

Random number generation in ksh

I need to generate a random number in ksh everytime I run the script ,the range should be from 100 to 24800,I could use $RANDOM but I seem to have no control over the range of numbers ,could you please suggest some way I could implement this .Thanks. Mervin (2 Replies)
Discussion started by: mervin2006
2 Replies

8. UNIX for Dummies Questions & Answers

SQL Loader Auto Number Generation

Hi all, I have a doubt in SQL Loader. We have SEQUENCE function in SQL Loader or can create Sequence in Oracle database for generating a number sequence for a column while loading data using SQL Loader into table or multiple tables. My requirment is this. For the first run in SQL... (2 Replies)
Discussion started by: vinoth_kumar
2 Replies

9. Programming

Random number generation

Hi...How can I generate random numbers between a given range ...preferably between 1 and 100...in UNIX C programming...? I tried out functions like rand(),drand48() etc but didnt get satisfactory results... Thanks a lot in advance.......... (1 Reply)
Discussion started by: tej.buch
1 Replies

10. AIX

random in ksh

hello I must to create a ksh script to give a random password with letter, number, and 8 digits. I can't use the random command with ksh, there is a similar command ? thank you (1 Reply)
Discussion started by: pascalbout
1 Replies
Login or Register to Ask a Question