How to retrieve a particular line from a file


 
Thread Tools Search this Thread
Top Forums UNIX for Dummies Questions & Answers How to retrieve a particular line from a file
# 1  
Old 07-11-2007
Bug How to retrieve a particular line from a file

Hi,

I want to retrieve a particular line from a file and print its content to a file. Can you suggest how to do it in UNIX ?.

Rgds
vinayap
# 2  
Old 07-11-2007
I am assuming you have the line number:
Code:
sed -n 'Xp' input_file

Where 'X' is the line number.
# 3  
Old 07-11-2007
Thank you so much for your posting.

Rgds
vinayap
 
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. UNIX for Beginners Questions & Answers

Grep: Retrieve two strings from one file to find them anyone on line in another file

I am having trouble matching *two* strings from one file anywhere in a line of a second file, and could use some help getting this figured out. My preference would be to use grep for this because I would like to take advantage of its -A option. The latter is due to the fact that I would like both... (2 Replies)
Discussion started by: jvoot
2 Replies

2. Shell Programming and Scripting

search string in a file and retrieve 10 lines including string line

Hi Guys, I am trying to write a perl script to search a string "Name" in the file "FILE" and also want to create a new file and push the searched string Name line along with 10 lines following the same. can anyone of you please let me know how to go about it ? (8 Replies)
Discussion started by: sukrish
8 Replies

3. Shell Programming and Scripting

Retrieve string from each line in a file based on a pattern in Unix

I have a file which contains several lines. Sample content of the file is as below. OK testmessage email<test@123> NOK receivemessage email<123@test> NOK receivemessage email(123@test123) NOK receivemessage email<abc@test> i would like to know by scripting will... (10 Replies)
Discussion started by: ramasar
10 Replies

4. Shell Programming and Scripting

How to retrieve command line args one by on.

Hi, I have to store all the command line arguments into an array. I have the following code. ********************** #! /bin/sh set -A arr_no_updates i=1 while do arr_no_updates=$($i) echo ${arr_no_updates} i=$(($i+1)) done**************** (1 Reply)
Discussion started by: little_wonder
1 Replies

5. UNIX for Dummies Questions & Answers

retrieve every 4th line from a file

Hello, I want to retrieve 2, 6, 10, 14...... (each 4 lines apart) from a file that looks like the sample below. In other words, I want only lines corresponding to the Xs. Header1_a XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Header1_b yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy Header2_a... (2 Replies)
Discussion started by: Gussifinknottle
2 Replies

6. Shell Programming and Scripting

GREP and Retrieve Line by Line

Hello All, I have a doubt in grep, lets say using grep we have the result as four lines .... grep -i test* Results : Line 1 Line 2 Line 3 Line 4 how can i reterive line 1 into a variable and line 2 into a variable etc. Thanks Ranjith (2 Replies)
Discussion started by: maxmave
2 Replies

7. Shell Programming and Scripting

search and retrieve previous line in file

I've got a file with the following layout: #STMP FSgroup filename /filesysname1 filestatus 2 #STMP FSstatus filename /filesysname1 ratio 30 #STMP FSgroup filename ... (2 Replies)
Discussion started by: paulsew
2 Replies

8. Shell Programming and Scripting

how do we retrieve a line from a file in unix

we need to capture a record from a file in to a variable and do modifications to it .. so capturing line by line in a file in to some variable (2 Replies)
Discussion started by: lmadhuri
2 Replies

9. UNIX for Dummies Questions & Answers

(cont) Retrieve line from a file based on a value in specific column

HI, Your help was great: awk -F":" '$5 ~ /^P/{print }' file I would like to know what changes need to be done to this line code, so that I can put it in a shell script and call it as the example below. example: countries that start with chacater 'P' > country P Result: ... (0 Replies)
Discussion started by: efernandes
0 Replies

10. UNIX for Dummies Questions & Answers

Retrieve line from a file based on a value in specific column

Hi, I have a file that has several values seperated by ":" 2006:John:Student:Football:Portugal:Cinema 2006:James:Engineer:Basket:Poland:Theatre 2007:Lucy:Diver:Gymnastic:England:Music 2007:Smith:Plumber:Basket:Spain:Poker I need make a filter based on the 5th field to find countries that... (1 Reply)
Discussion started by: efernandes
1 Replies
Login or Register to Ask a Question