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Sorry, I didn't get you.
Did you mean you have done it? Please let me know how!

I have read in articles that top command returns accurate command after executed few times. Hence we want to execute top command 10 times and then capture the data.

I dont want to send the 10...

I have posted a thread in Unix for Dummies question......

https://www.unix.com/unix-dummies-questions-answers/223769-filter-top-bc-n10-output.html

Can anybody help me out with this please?
...

Hi

"top -bc -n10" gives me the output of the "top" command 10 times.

Now i dont want repeated results and hence want to return only the last output.

And I would like to do it in one command...

2> /dev/null
Thanks a lot, that did my job

Hi
I have written a bash script to capture the output of jmap.
The command i execute is jmap -heap <pid>
This gives details of memory usage of the process with <pid>.
Now jmap not only gives...

If my timestamp="11:16:14" then
sed -ne '/'"$timestamp"'/,$p' $logFile
works fine

And if timestamp="2011/06/28 11:16:14" then nothing works.
Any reasons?

---------- Post updated at 12:35...

nope, it doesn't work. I am really not understanding the usage of single and double quotes.
Can you please provide some pointers to read up?

I am trying use a variable for timestamp like
sed -ne '/$timestamp/,$p' yourfile | while read line
And sed is not matching any records. I tried '$timestamp', "$timestamp"....nothing seems to be...

Ok here is my code
while read line
do
processLine
done < $logFile

Now where and how does your statement fit here?

---------- Post updated at 05:49 PM...

Thats working. Not sure what mistake was i doing.
Anyway, thanks a lot.

you mean, p will have the rest of the file and i read it line by line?

I know how to read a file line by line. But don't to how to skip to a line matching a criteria and then continue reading it till the end.

This is a log file. The input is a timestamp.
1. Find...

[QUOTE=michaelrozar17;302542960]It does work for me in GNU Sed. What sed you have..?
my sed version is GNU sed version 4.1.5

I output is same as input "john 2011/06/28 11:16:14"

Thanks yazu and michael for your inputs.
But it didn't work.

michael, as per your suggestion, if i dont have stored a pattern in a variable, then how to I search?
I will explain my problem
1. I...

I have tried almost all sorts of combinations, none of them have worked. Even this one didn't work.
I want to understand what's happening behind the scene.

I have read many threads, but I still didn't find the right answer. May be i didn't find the right thread, though are so many threads for the same question.

Basically the situation is - find date...