10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
I have a directory question where I ask the user which entry he wants to delete...
echo "Which entry?"
read entry
sed '/^'$entry'/d' file
This code does in fact delete that particular entry...
HOWEVER, when I go to inquire about that same entry, it still populates like it was never... (4 Replies)
Discussion started by: itech4814
4 Replies
2. Shell Programming and Scripting
Hello, im using ex to manipulate some text. Im trying to delete all the lines except those on which a certain regex can be found.
the important part of the script:
ex temp << 'HERE'
g/regex/p
HERE
this command prints the lines I want to end up with, but it doesnt delete the others.... (2 Replies)
Discussion started by: drareeg
2 Replies
3. Shell Programming and Scripting
input
-200 2.4
0 2.6
30 2.8
output
-500 0
-499 0
-488 0
..........
..........
....
-200 2.4
....
...
0 2.6 (6 Replies)
Discussion started by: quincyjones
6 Replies
4. Shell Programming and Scripting
hi all,
i have got a scenario in which i need to delete all the lines that ends with file names.
e.g.
input can be
cms/images/services_icons/callback.png
cms/cms/images/services_icons/sync.php
cms/cms/images/services_icons
and output should be
cms/cms/images/services_icons
... (13 Replies)
Discussion started by: kashifv
13 Replies
5. UNIX for Dummies Questions & Answers
Is it possible to delete lines by their number? Also, I'd like to delete the last 3 rows of a file too. So from the front and back. Thanks. (9 Replies)
Discussion started by: cary530
9 Replies
6. Shell Programming and Scripting
I have a log file that I am processing. This contains messages from and to a server (requests and responses).
The responses to requests may not be in order i.e. we can have a response to a request after several requests are sent, and in some error cases there may not be any response message.
... (2 Replies)
Discussion started by: BootComp
2 Replies
7. UNIX for Dummies Questions & Answers
I have a very large log file and it speed up scrolling.
so I want to tail last 500 lies and see using vi editor.
tail -n 500 large_file | small_file | vi {};
this won't work.
I'm very novice on Unix.
TIA. (2 Replies)
Discussion started by: kang
2 Replies
8. Shell Programming and Scripting
How do I delete all the lines after the line containing text ***DISCLOSURES*** . I want to delete this line too.
Thank you (2 Replies)
Discussion started by: reachsamir
2 Replies
9. Shell Programming and Scripting
I am trying deleting lines from a text file using sed..
sed '/OBJECT="ABC/{N;N;N;d; }'
will do if i have to delete lines starting with Object and next 3 lines
but I was looking for a way to delet lines starting with OBJECT and all the lines till it reaches a blank lines ..or it reaches a... (8 Replies)
Discussion started by: ajnabi
8 Replies
10. Programming
I am spooling a file from oracle and trying to delete the last line of the spooled file which I am unable to do.
Problem is that this file can have multiple records each time and I have no way of knowing how many because the amount can vary. I had an idea of using a while loop to read the... (1 Reply)
Discussion started by: supercbw
1 Replies