How will you list only the empty lines in a file (using grep)


 
Thread Tools Search this Thread
Top Forums UNIX for Dummies Questions & Answers How will you list only the empty lines in a file (using grep)
# 1  
Old 07-21-2005
Question How will you list only the empty lines in a file (using grep)

How will you list only the empty lines in a file (using grep)
# 2  
Old 07-21-2005
Code:
grep '^$' inputfile

But you wouldnt see any output as such. Its all empty.

-vino

Last edited by vino; 07-21-2005 at 09:27 AM..
 
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. UNIX for Beginners Questions & Answers

Split file into multiple files based on empty lines

I am using below code to split files based on blank lines but it does not work. awk 'BEGIN{i=0}{RS="";}{x="F"++i;}{print > x;}' Your help would be highly appreciated find attachment of sample.txt file (2 Replies)
Discussion started by: imranrasheedamu
2 Replies

2. Shell Programming and Scripting

Joining broken lines and removing empty lines

Hi - I have req to join broken lines and remove empty lines but should NOT be in one line. It has to be as is line by line. The challenge here is there is no end of line/start of line char. thanks in advance Source:- 2003-04-34024|04-10-2003|Claims|Claim|01-13-2003|Air Bag:Driver;... (7 Replies)
Discussion started by: Jackceasar123
7 Replies

3. UNIX for Dummies Questions & Answers

Grep -B used with -f? (Searching a file using a list of terms, output is lines before each match)

(1 Reply)
Discussion started by: Twinklefingers
1 Replies

4. Shell Programming and Scripting

Create empty files from a list on file

Hello Guys. Please I would like to create empty files from a list In file1 will be the followin values, so i will like to create for each name a empty file. file1 2191off-r0.sps 2192off-r0.sps 2193off-r0.sps 2194off-r0.sps 2195off-r0.sps So I need to get 5 empty files. Thanks for... (7 Replies)
Discussion started by: jiam912
7 Replies

5. Shell Programming and Scripting

How to grep an empty line in a specific column of a file?

Suppose i have the following data : cat file.txt 12431,123334,55353,546646,14342234,4646,35234 123123,3535,123434,132535,1234134,13535,123534 123213,545465,23434,45646,2342345,4656,31243 2355425,2134324,53425,342,35235,23434,234535 3423424,234234,65465,,2344,35436,234524,234... (7 Replies)
Discussion started by: Ravi Tej
7 Replies

6. UNIX for Dummies Questions & Answers

Removing empty lines at the end of a Tab-delimited file

I'm trying to remove all of the empty lines at the end of a Tab delimited file. They have no data just tabs. I've tried may things, here are a couple: sed /^\t.\t/d File1 > File2 sed /^\t{44}/d File1 > File2 What am I missing? (9 Replies)
Discussion started by: SirHenry1
9 Replies

7. Shell Programming and Scripting

How to delete all leading empty lines in a file?

How to delete all leading empty lines in a file? $>cat input.txt test Test $> output file should be test Test $> (14 Replies)
Discussion started by: johnveslin
14 Replies

8. Shell Programming and Scripting

Grep for empty file

I have a program that takes a file in which I use a sed to remove some data that is not needed. If all of the data is removed. I want to grep for that in the file and print that there is no data left in the file. When I use sed, I replace a word with nothing but it still seems to leave a return... (5 Replies)
Discussion started by: plawr
5 Replies

9. UNIX for Dummies Questions & Answers

How to list file names instead of lines when grep a gzcat command?

Hi, I want to list filenames instead of lines when i search in compresed files for a string. #gzcat *.gz | grep -l 12345 gives me: <stdin> Anyone got a solution on this problem? (2 Replies)
Discussion started by: HugoH
2 Replies

10. Shell Programming and Scripting

Removing empty lines(space) between two lines containing strings

Hi, Please provide shell script to Remove empty lines(space) between two lines containing strings in a file. Input File : A1/EXT "BAP_BSC6/07B/00" 844 090602 1605 RXOCF-465 PDTR11 1 SITE ON BATTERY A2/EXT... (3 Replies)
Discussion started by: sudhakaryadav
3 Replies
Login or Register to Ask a Question