1. Shell Programming and Scripting

I'm doing manual way to add and remove "#" on etc/services. Is there anyway I can modify the file using awk or sed or any other program. I use vi to modify /etc/services for enabling telnet , the problem is I don't know how to do it automatically in script. production state: #telnet ... (9 Replies)

2. UNIX for Advanced & Expert Users

I have a requirement like below.I need to Comment some lines in a file. File contains following information. { attribute1 attribute2 atrribute3 attribute4 attribute5 attribute6 attribute7 } I have a requirement like some times i need to comment lines 3 to before '}' and some... (1 Reply)

3. Shell Programming and Scripting

Hello, I'm trying to make a shell script to skip comments from an XML file, but with the code below only deletes comments that are in one line. Can you tell me what can be added here? nawk ' { if($0 !~/<!--/) { a=0 } if($0 ~/<!--/ && $0 ~/-->/) {a=1} if($0 ~/<!--/) {a=1} if... (1 Reply)

4. UNIX for Dummies Questions & Answers

How can I delete comments (lines beginning with /* and ending with */) in file? with single command line..My suggestion is to use grep and sed! (4 Replies)

5. Shell Programming and Scripting

I must write a script to change all C++ like comments: // this is a comment to this one /* this is a comment */ How to do it by sed? With file: #include <cstdio> using namespace std; //one // two int main() { printf("Example"); // three }//four the result should be: (2 Replies)

6. UNIX for Dummies Questions & Answers

Hi, I am using BASH. How can I remove any lines in a text file that are either blank or begin with a # (ie. comments)? Thanks in advance. Mike (3 Replies)

7. Linux

Hi, I have a files as shown below and I wanted to sort then in following patter based on there names which has "_" in it. I want to sort them according to feild 6th (bold once)value as shown below. Thanks in advance. File names: 20111014_manish_STEP2_Files_number__5979-6968_ ... (5 Replies)

8. Shell Programming and Scripting

Hello Unix board community, I have to program a shell script, but I am a complete noob so I hope I get some help here. The assignment is as follows: The program removes all comments regardless of formatting or language from files with specific file name extensions (php, css, js, ...).... (3 Replies)

9. Shell Programming and Scripting

Hi I have this sample data set as follows (called file.txt): hostname1:user1:password hostname2:user1:password #comments comments hostname3:user1:passwordI wish to produce a report as follows: hostname1 user1 password hostname2 user1 password hostname3 user1 passwordie remove all... (11 Replies)

10. Shell Programming and Scripting

As I stated in a previous thread - I'm a newbie to Unix/Linux and programming. I'm trying to learn the basics on my own using a couple books and the exercises provided inside. I've reached an exercise that has me stumped. I need to write a bash script that will will read in a file and print the... (11 Replies)