1. Shell Programming and Scripting

Hello, I am very new to shell scripting. This problem seems quite easy so it should be quite easy (I hope ^^) I want to get a random file from a directory. this file will be in one subdirectory, and it will contain spaces. code I have got so far: N=find ./*/*.jpg | wc -l ((N=RANDOM%N)) ... (6 Replies)

2. Shell Programming and Scripting

I need to use the $RANDOM command to get a line from a list of lines in a file randomly. file is help go three house film how do i randomly get one word without looking into the file? (6 Replies)

3. UNIX for Dummies Questions & Answers

Hi there folks, for an exercise for my pupils (you know i am always thinking of them!) i need to randomly re-arrange the words (blank space separated) in a sentence (a line in a textfile). Any inspiration?? Txk so much. (9 Replies)

4. Ubuntu

Hi I am new to expect. Please if any one can help on my issue its really appreciable. here is my issue: I want expect script for random passwords and random commands generation. please can anyone help me? Many Thanks in advance (0 Replies)

5. Programming

How can I choose randomly the row numbers of my file in awk? (4 Replies)

6. UNIX for Dummies Questions & Answers

Over the last month or so my CentOS server has been crashing for reasons I do not know. It has been running for over a year with regular yum updates without problems. The load on the server is perfectly normal with CPU usage at 5-6% and RAM usage at less than half of 32GB of RAM (multiple smaller... (3 Replies)

7. Shell Programming and Scripting

1 2 4 5 3 I would like to use a script so that i can randomly rearrange these numbers such as 3 5 2 4 1 Thanks! (3 Replies)

8. Shell Programming and Scripting

Hi, Could you please let me know what the following code does, I know that it means generating random numbers, however not sure what is the entire purpose. R=$(($RANDOM % 2)) delay=$(($RANDOM % 10)) if then TEXT='X' else ... (3 Replies)

9. 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)

10. Homework & Coursework Questions

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)