10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I pass a number to my script. Passing "1" below.
echo "User entered: $1"
ls -ltr *.conf | sed -n '$p'
I wish to use ls -ltr i.e list files in ascending order of time the latest showing at the bottom of the output.
Number 1 should get me the last row of ls -ltr output i.e... (9 Replies)
Discussion started by: mohtashims
2. Homework & Coursework Questions
First month learning about the Linux terminal and it has been a challenge yet fun so far. We're learning by using a gameshell. I'm trying to display a certain line ( only allowed 1 command ) from a file only using the head or tail. I'm pretty about this answer:
head -23 history.txt | tail -1... (1 Reply)
Discussion started by: forzatekk
3. UNIX for Dummies Questions & Answers
This could be a really dummy question.
I have a log text file.
What unix command to extract line from specific string to another specific string.
Is it something similar to?:
more +/"string" file_name
Thanks (4 Replies)
Discussion started by: aku
4. Shell Programming and Scripting
my requirement is,
consider a file output
blah sdjfhjkd jsdfhjksdh
sdfs 23423 sdfsdf sdf"sdfsdf"sdfsdf"""""dsf
this doesnt look good
et cetc etc
i want to replace a line of line number 4 ("this doesnt look good") with some other line
... (3 Replies)
Discussion started by: vivek d r
5. Shell Programming and Scripting
I've a file like this..
a,13 (7 Replies)
Discussion started by: manab86
6. Shell Programming and Scripting
I have created function which is as follow:
tail -f filename |grep "Key word"
output from this command
19-11-2011 21:09:15,234 - INFO Numbement - error number:result = :11
19-11-2011 21:09:15,286 - INFO Numbement - error number:result = :11
19-11-2011 21:09:15,523 - INFO... (5 Replies)
Discussion started by: ooilinlove
7. Shell Programming and Scripting
using sed to replace a specific string on a specific line number using variables
this is where i am at
grep -v WARNING output | grep -v spawn | grep -v Passphrase | grep -v Authentication | grep -v '/sbin/tfadmin netguard -C'| grep -v 'NETWORK>' >> output.clean
grep -n Destination... (2 Replies)
Discussion started by: todd.cutting
HI i have to copy the last 5000 lines form a log file and copy the same in the same file .overwriting the same log file.
ex: tail -5000 testfile1 > testfile2
mv tesftfile2 testfile1
will produce the correct result.but i want to have this done in one line???? (4 Replies)
Discussion started by: saurabh84g
9. Shell Programming and Scripting
I have a huge file & I want to add a specific text in column. But I want to add this text from a specific line number to a specific line number & another text in to another range of line numbers.
To be more specific: lets say my file has 1000 lines & 4 Columns. I want to add text "Hello"... (2 Replies)
Discussion started by: Ezy
10. UNIX for Dummies Questions & Answers
Just wonder if there is any quick way to display line number when monitoring a log file with tail -f? (4 Replies)
Discussion started by: iengca