1. UNIX for Dummies Questions & Answers

I have a file which contains lots of text (comment field). I would like to parse through the comment field which can be up to 255 characters long and look for anything that seems to resemble, say, a credit card number or customer account number, etc. and replace the numbers with asteriks (*). ... (9 Replies)

2. UNIX for Dummies Questions & Answers

Is anyone know some scripts to generate random number without repetition using bash; for example generate 10 different random numbers. Thanks (8 Replies)

3. Shell Programming and Scripting

i want to need script.. source.txt /home/user1/public_html/test3 /home/user90/public_html/test9 . . . /home/user650/public_html/test000 read source.txt and cd /home/user**/public_html/*** and there is 1.txt, 2txt ~~25.txt and select 6 text files randomly among the... (4 Replies)

4. Shell Programming and Scripting

Hello, I need to take a random word from a flat text file with words in it seperated by spaces. The code I am using, always gives me the first word. Can anyone please shed some light on this. Here's my code. Thanks echo table roof ceiling jar computer monitor keyboard carpet >... (5 Replies)

5. Shell Programming and Scripting

I have a text file with hundreds of lines, i wish to run a script and reads a random line to pass it to another command line such as: for line in `cat file |grep random line`; do echo $line |mail my@example.com ; done thank you (6 Replies)

6. Shell Programming and Scripting

Hi! I've a C file which consist of many function definitions with numbers at the beginning as shown below.. 10 void search() 11 { 12 /*body 14 * 15 * 17 * 18 * 40 * 42 * 60 } 90 void func_name() 95 { 99 /*body 100 * 105 * 111 * (7 Replies)

7. UNIX for Dummies Questions & Answers

Hi, I am trying to extract lines from a text file given a text file containing line numbers to be extracted from the first file. How do I go about doing this? Thanks! (1 Reply)

8. Shell Programming and Scripting

Hi, I am new to Unix/ksh script and will like to check how do I retrieve just the count of '258' in the last line in a text file ? There will be this "TRL" appended with number of count at the last line in a text file . TRL0000000258 var=`grep 'TRL' $HOME/folder/test.txt | wc -l` ... (12 Replies)

9. 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)