Tail?? Post: 302076762

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

using tail -f

Working in HP-UX 10.20. I eventually want to write a bourne shell script to handle the following problem, but for now I am just toying with it at the command line. Here's what I am basically trying to do: tail -f log_X | grep n > log_Y I am doing a tail -f on log_X . Once it sees "n", I...

2. Shell Programming and Scripting

tail -f

I am trying to extract a particular line from a.log which keeps appending every sec and output that into a newfile b.log which should append itself with filtered data received from a.log I tried tail -f a.log |grep fail| tee -a b.log nothing in b.log tail -f a.log |grep fail >>b.log ...

3. Shell Programming and Scripting

Tail Question

Hi All, I notice that the below tail cannot be done. How can i modify this code such that i can always "tail" a variable number of lines ? set num = 100 cat filename|grep xxx| tail -$num

4. Shell Programming and Scripting

tail | grep

The program that is running on my machine generates log files. I want to be able to know the number of lines that contain "FT" in the most recent log file. I wrote the following, but it always returns zero. And I know the count is not zero. Any ideas? ls -rt *.log | tail -n 1 | grep -c FT

5. Shell Programming and Scripting

Help with tail command

Hi All, My query seems to be silly but Iam unable to find where the exact problem lies. I have a script to unzip set of files here is the script #!/bin/ksh Count=`cat /home/gaddamja/Tempfile | wc -l` while do Filename=`cat /home/gaddamja/Tempfile |tail -$Count | head -1` cd...

6. UNIX for Dummies Questions & Answers

Need help with a tail and a grep

I need to tail -f a file so I can monitor it as it is being written to. However, there is a lot of garbage in the file that I don't care about. So normally I would just pipe and grep for the string that is important to me. However, in this case, there are two things I need to grep for. I can't...

7. Shell Programming and Scripting

using tail -f and tr in a script

I have file that is being constantly written to example: file.txt ABC EBC ZZZ ABC I am trying to create a simple script that will tail this file and at the same time using tr to change B to F on lines containing 'B'. I tried this and it doesn't seem to work. #!/bin/bash tail -f...

8. Shell Programming and Scripting

tail for 15 mins

Hi, I want to write a script which will tail a particular file for 15 mins and then sleep for 10 mins and again tail for 15 mins. This cycle will go on for a limited period of time. How can i ensure that tail command will run for 15 mins before calling sleep command Thanks

9. Shell Programming and Scripting

Joining multiple files tail on tail

I have 250 files that have 16 columns each - all numbered as follows stat.1000, stat.1001, stat.1002, stat.1003....stat.1250. I would like to join all 250 of them together tail by tail as follows. For example stat.1000 a b c d e f stat.1001 g h i j k l So that my output...

10. Shell Programming and Scripting

Tail +

because the tail +2 on the first line gives me the file name pomga I do not want anything like what I miss tail +2 ejemplo.txt ouput ==> ejemplo.txt <== 1 2 3 4 5 6 7 8 9 10

LEARN ABOUT SUSE

uptime

UPTIME(1)							   User Commands							 UPTIME(1)

NAME

       uptime - tell how long the system has been running

SYNOPSIS

       uptime [OPTION]... [FILE]

DESCRIPTION

       Print the current time, the length of time the system has been up, the number of users on the system, and the average number of jobs in the
       run queue over the last 1, 5 and 15 minutes.  Processes in an uninterruptible sleep state also contribute to the load average.  If FILE	is
       not specified, use /var/run/utmp.  /var/log/wtmp as FILE is common.

       --help display this help and exit

       --version
	      output version information and exit

AUTHOR

       Written by Joseph Arceneaux, David MacKenzie, and Kaveh Ghazi.

REPORTING BUGS

       Report uptime bugs to bug-coreutils@gnu.org
       GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
       General help using GNU software: <http://www.gnu.org/gethelp/>

COPYRIGHT

       Copyright (C) 2009 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       The  full documentation for uptime is maintained as a Texinfo manual.  If the info and uptime programs are properly installed at your site,
       the command

	      info coreutils 'uptime invocation'

       should give you access to the complete manual.

GNU coreutils 7.1						     July 2010								 UPTIME(1)

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tail | grep

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