1. UNIX for Dummies Questions & Answers

Hello every one, I have read a little about SED and GREP but I do not know how to do this: Using SED or GREP: "reverse all three letter words" "replace the last two digits in any string of digits by zeros (0)" "remove lines that start and end with the same word" and I have more like... (5 Replies)

2. UNIX for Dummies Questions & Answers

I am using this command to replace a text string in a data file: sed -e 's/ab/test2/g' -e 's/abcxyz/test1/g' datafile datafile contains: ab abcxyz My results: test2 test2cxyz I want my results to be: test2 test1 (7 Replies)

3. Programming

hey all, I have question when am writing simple shell... in the child am calling execvp, i want the parent to know when execvp returns - 1. how can i let the parent know the result of execvp thanks in advance (9 Replies)

4. Shell Programming and Scripting

Greetings all, ...here is yet another string of awk/sed questions from a RegExp-Challenged luser :eek: I'm looking to have sed/awk do some clean-up on routing tables and to that end, I would like to do the following: 1.) If a line contains the word "masks" or "subnets" prepend CR/LF to... (16 Replies)

5. Homework & Coursework Questions

1.) I am to write scripts that will be phasetest folder in the home directory. 2.) The folder should have a set-up,phase and display files I have written a small script which i used to check for the existing users and their password. What I need help with: I have a set of questions in a... (19 Replies)

6. UNIX for Dummies Questions & Answers

This was mistaken as homework in a different forum, but is not. These are questions that are close to what I am trying to do at work. QUESTION1: How do you grep only an exact string. I am using Solaris10 and do not have any GNU products installed. Contents of car.txt CAR1_KEY0 CAR1_KEY1... (1 Reply)

7. Shell Programming and Scripting

This post was previously mistaken for homework, but is actually a small piece of what I working on at work. Please answer if you can. QUESTION1 How do you grep only an exact string. I am using Solaris10 and do not have any GNU products installed. Contents of car.txt CAR1_KEY0 CAR1_KEY1... (2 Replies)

8. Shell Programming and Scripting

Hi. I have a txt file. I need to make a copy of the lines which are beginning with a mobile phone number, or a fix phone number. I have to copy thoose lines in numbers.txt, after that i have to delete then from the originally file. In numbers.txt i need to write a prefix before each number. if the... (1 Reply)

9. Shell Programming and Scripting

Hello Experts.. I have 3-4 C codes with Oracle SQL statements embedded. All the SQL statements starts with EXEC SQL keyword and ends with ;. I want to extract all the SQL statements out of these codes. I did awk '/^EXEC SQL/,/\;/' inputFile (I use this on all of the codes individually). That... (2 Replies)