Thank you Ravinder for your help. Following is the detailed info for which I seek help. I have 4 log files auto generated by some binary with the names as given below.
Code:
-rw------- 1 nz nz 7.9K May 8 14:07 backupsvr.16897.2016-05-08.log
-rw------- 1 nz nz 4.1K May 8 14:23 backupsvr.7474.2016-05-08.log
-rw------- 1 nz nz 162K May 8 14:38 backupsvr.25848.2016-05-08.log
-rw------- 1 nz nz 47K May 8 18:40 backupsvr.29230.2016-05-08.log
What I did is that I listed the files of my choice of date and put the names into another file by using the following command.
Code:
ls *`date +%Y-%m-08`* > output.txt
Not the new file "output.txt" contains all 4 file names from 08th May 2016.
Now I want to fetch 2nd last line from each file and put them into one new file. i.e 2nd last line of 1st file is as "a completed successfully". 2nd file's 2nd last line is "b completed successfully".
I want these 2nd last line into one final file which output would be as below.
Code:
#cat finalfile.txt
a completed successfully
b completed successfully
c completed successfully
d completed successfully
I hope my requirement is clear now. If not please let me know and I will try to explain it more.
Regards,
Ali
Moderator's Comments:
Please use code tags as required by forum rules!
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LEARN ABOUT DEBIAN
mtail
MTAIL(1) User Commands MTAIL(1)NAME
mtail - tail variant designed for web developers monitoring logfiles
SYNOPSIS
mtail [options] <file>...
DESCRIPTION
MonkeyTail allows a user to tail multiple files on both local and remote hosts and clearly marks inactivity by putting 5 newlines in the
output whenever a pause in output over 3 seconds is detected.
MonkeyTail is implemented a fairly simple wrapper script around standard tail, ssh, and sudo.
OPTIONS -q Quiet mode
--quiet
" "
-n Output the last N lines of each file before tailing (defaults to 0)
<file>...
Files to tail.
These can specified in the following ways:
@<groupname>
- expands the group (from .mtailrc) to a list of
files to tail
<filename>
- tails a local file.
+<filename> - attempts to sudo and tail a local file (will
prompt for pwd if required).
<remotehost>:<filename>
- attempts to invoke tail via ssh on a remote
host.
+<remotehost>:<filename> - attempts to invoke sudo tail via ssh on a
remote host (will prompt for pwd if required).
SEE ALSO mtailrc(5), tail(1)AUTHOR
Martyn Smith <martyn@dollyfish.net.nz>
mtail May 2008 MTAIL(1)
05-09-2016
