1. Shell Programming and Scripting

Hello All, How to replace a string in nth line of a file using sed or awk. For Ex: test.txt Line 1 : TEST1 TEST2 TEST3 Line 2 : TEST1 TEST2 TEST3 TEST4 Line 3 : TEST1 TEST2 TEST3 TEST5 Line 4 : TEST1 TEST2 TEST3 TEST6 Line 5 : TEST1 TEST2 TEST3 TEST7 i want to go to 4th line of a... (1 Reply)

2. Shell Programming and Scripting

i have been doing this script to match every line in a current log file (access_log) with strings that i list from a path (consist of 100 of user's name ex: meggae ).. and then make a directory of every string from the text file (/path/meggae/) --->if it matched.. then print every line from the... (3 Replies)

3. UNIX for Advanced & Expert Users

Hi, I have a query as follows : suppose I am matching a string in a file say "start from here" and I want to pick up 'n' number of lines () from the matched string. Is there any way to do that ? 1) going forward I want to do this for every match for the above string 2) or limit this to... (2 Replies)

4. Shell Programming and Scripting

Hi Experts, Help needed on joining one line above & below to the pattern matched string line. The input file, required output is mentioned below Input file ABCD DEFG5 42.0.1-63.38.31 KKKK iokl IP Connection Available ABCD DEFG5 42.0.1-63.38.31 ... (7 Replies)

5. Shell Programming and Scripting

Hi, I have a file whose lines are something like Tchampionspsq^@~^@^^^A^@^@^@^A^A^Aÿð^@^@^@^@^@^@^@^@^@^@^A^@^@^@^@^?ð^@^@^@^@^@^@^@?ð^@^@^@^@^@^@pppsq^@~^@#@^@^@^@^@^@^Hw^H^@^@^@^K^@^@^@^@xp^At^@^FTtime2psq^@ ~^@^^^A^@^@^@^B^A I need to extract all words matching T*psq from the file. Thing is... (4 Replies)

6. UNIX for Dummies Questions & Answers

Hi, I would like to comment a line that matched a string "sreenivas" in a file without opening it. Thanks in advance. Regards, Sreenivas (3 Replies)

7. Shell Programming and Scripting

Hi All, I have sample of listing as following Database 2 entry: Database alias = PXRES Database name = PXRES Local database directory = /db2/data1/db2phnx Database release level = d.00 Comment ... (3 Replies)

8. Shell Programming and Scripting

hi i need to get the 3rd line in a string. actually, not sure if it's a string, list, array, or something else. I'm using grep to retrieve all the numbers in a string-- in the console, it displays as multiple lines: $ echo "Sink 0: reference = 0: 153% 1: 45%, real = 0: 62%" | grep -o * 0... (4 Replies)

9. Shell Programming and Scripting

My file (the output of an experiment) starts off looking like this, _____________________________________________________________ Subjects incorporated to date: 001 Data file started on machine PKSHS260-05CP ********************************************************************** Subject 1,... (9 Replies)

10. Shell Programming and Scripting

Hello, Environment: I am under Ubuntu 18.04 bionic. I have an sql file consisting of 10K lines. Objective: What I am trying to attain is to remove everything coming after 2nd tab in each line. While searching for the answer, I found two answers and both gave expected result just for the first... (2 Replies)