Help with grepping and line number Post: 302271853

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

grepping for something but excluding something else in the line

Ok heres the situation. I'm grepping for all running processes with the name system. but there are also processes running with the name systema. How do I just search for processes running just under the "system" user Thanks in advance

2. Shell Programming and Scripting

Grepping number combinations

Having problem in using the grep command to select all possible combinations a number in a file. Example: 123, I would like to grep the numbers 123,132,213,231,312 and 321.

3. Shell Programming and Scripting

Grepping 1 line above and below pattern

I have a pattern:: xldn3176bap>arj SOCRATES_MAIN_LNX | grep " FA " 10/04/2007 21:01 10/04/2007 21:01 FA 1776752/1 1 I want the line above this line and the line below it too. Can anyone tell me how it can be done? - iAm4Free

4. Shell Programming and Scripting

reading line by line and grepping

I've got a file which I am reading line by line (using read line) into a variable. I then want to do a grep on that line to check for something. I've tried a number of methods none of which seem to work. I thought I had it with the code below but for some reason it doesn't like it and comes...

5. Shell Programming and Scripting

Adding a columnfrom a specifit line number to a specific line number

Hi, 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"...

6. UNIX for Dummies Questions & Answers

Grepping nth line number

How do you grep every nth line number from a file?

7. Shell Programming and Scripting

Grepping Multiple Strings on the Same Line 'Or'

I've got this command that I've been using to find strings on the same line, say I'm doing a search for name: find . -name "*" | xargs grep -i "Doe" | grep -i "John" > output.txt This gives me every line in a file that has John and Doe in it. I'm looking to add a OR operator for the second...

8. Shell Programming and Scripting

regular expression grepping lines with VARIOUS number of blanks

Hi, I need a regular expression grepping all lines starting with '*' followed by a VARIOUS number of blanks and then followed by the string 'Runjob=1'. I tried that code, but it doesn't work: grep -i '*'+'Runjob=1' INPUT_FILE >>OUTPUT_FILE Can someone help me? Thanks

9. Shell Programming and Scripting

Returning only part of a line when grepping

I want to grep out a part of a snort rule based on the SID given, but all i want as the output is the part in the quotes after the msg: An example line looks something like this: alert tcp any any -> 127.0.0.1 any (msg:"Example Message"; classtype:Example; sid:123456;) I would want it to...

10. UNIX for Dummies Questions & Answers

How to read contents of a file from a given line number upto line number again specified by user

Hello Everyone. I am trying to display contains of a file from a specific line to a specific line(let say, from line number 3 to line number 5). For this I got the shell script as shown below: if ; then if ; then tail +$1 $3 | head -n $2 else ...

LEARN ABOUT DEBIAN

logtop

LOGTOP(1)						      General Commands Manual							 LOGTOP(1)

NAME

       logtop - Realtime log line rate analyser

SYNOPSIS

       logtop [OPTIONS]

DESCRIPTION

	logtop is a System Administrator tool analyzing line rate on stdin.
	It reads on stdin and print a constantly updated result
	displaying, in columns:
	Line number, count, frequency, and the actual line.

	 $ tail -f FILE | logtop
	is the friendly version of:
	 $ watch 'tail FILE | sort | uniq -c | sort -gr'

OPTIONS

       -s, --size=K
	      Only keep K lines in memory, instead of 10000.

       -q, --quiet
	      Do not display a live view of the data, only display a top at exit.

       -l, --line-by-line=K
	      Print result line by line, in a machine friendly format, K is the number of result to print per line.

		Line by line format is : [%d %f %s	]*

		  %d : Number of occurences
		  %f : Frequency of apparition
		  %s : String (Control chars replaced by dots.

       -i, --interval=K
	      Interval between graphical updates, in seconds. Defaults to 1.

       -h, --help
	      Show summary of options.

       -v, --version
	      Show version of program.

EXAMPLES

       Here are some logtop usage examples.

       tail -f cache.log | grep -o "HIT|MISS" | logtop

       Realtime hit / miss ratio on some caching software log file.

       tail -f access.log | cut -d' ' -f1 | logtop -s 10000

       Realtime most querying IPs on your server, as long as log lines in access.log starts with the client IP.

       tail -f access.log | cut -d' ' -f7 | logtop -s 10000

       Realtime most requested web pages in a NCSA like log file.

       cat auth.log | grep -v "CRON" | grep -o ": .*" | logtop -q -s 100000

       Display a one-shot simple analyse of your auth.log.

SEE ALSO

       watch(1)

AUTHOR

       logtop was written by Julien Palard.

       This manual page was written by Julien Palard <julien@palard.fr>, for the Debian project (and may be used by others).

								  April 16, 2011							 LOGTOP(1)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

grepping for something but excluding something else in the line

Discussion started by: fusion99

2. Shell Programming and Scripting

Grepping number combinations

Discussion started by: wperry

3. Shell Programming and Scripting

Grepping 1 line above and below pattern

Discussion started by: iAm4Free

4. Shell Programming and Scripting

reading line by line and grepping

Discussion started by: QueryMaster