1. UNIX for Dummies Questions & Answers

How do i copy the common lines between 2 files to another file? for example file1: asdfg sdf gdsf file2: asdfgh asd sdf xcv file3: sdf (3 Replies)

2. Shell Programming and Scripting

Hi I'm in the need of a script that basically takes two files and generates a 3rd. It reads from fileA and fileB and copies lines from fileA if they start by a word of fileB. for example fileA The dog is beautful Where is your cat Why are you sad? Help me! fileB The Where tree dog... (4 Replies)

3. Shell Programming and Scripting

I have one request, First it has to create one file and in that file it has to include some lines based on user request. Suppose user requested 10, then script needs to add 10 lines like below QAEVO_A1|A1 QAEVO_A2|A2 QAEVO_A3|A3 QAEVO_A4|A4 QAEVO_A5|A5 QAEVO_A6|A6 QAEVO_A7|A7... (8 Replies)

4. Shell Programming and Scripting

I did a search before posting and couldn't find an example of what I need done. Anyway, I have a file called file1.txt, which has data like this: File2.txt contains: So what I need to do is from file1.txt find the first line M977 in file2.txt and replace the line below it with the line from... (4 Replies)

5. Shell Programming and Scripting

I am new to Linux and have a challenging task. I have 3 data files, and need to do the following: Go to line 31 of file 1, delete it Read 1 line from file 2 and add in place of deleted line Go to line 97 of file I delete it and then read the line 1 from file 2 and add in place of that... (2 Replies)

6. Shell Programming and Scripting

Hello All, I want to copy some lines from one file to other with following condition. Only lines between two specified strings should copy. Example :- "My First String " Some_Other_String .... Some_Other_String .... Some_Other_String .... "My Second String" So only... (5 Replies)

7. Shell Programming and Scripting

Hi I want to find out those unique uids from the log file which have request and response. The log file format is as follows. This log has other irrelevant lines too but each uid should have request and reponse, I need those uids only 2013-04-03 10:51:01,808 INFO <?xml version="1.0"... (4 Replies)

8. Shell Programming and Scripting

Hi all I have a requirement I need to copy only first 2 lines from a file of one location to another file of same location I used to code as cp head -2 abc 123 But i get the following error cp: 0653-437 123 is not a directory. The files used are cat abc ABCD EFDG TYUI (5 Replies)