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Full Discussion: compare logfile content
Top Forums Shell Programming and Scripting compare logfile content Post 302346493 by latenite on Saturday 22nd of August 2009 11:31:09 AM
Old 08-22-2009
compare logfile content

Hi folks

I have some logfiles like this:

./2009_08_22_14_08_entire_backup_no_1.log
.
.
.
./2009_08_22_14_34_entire_backup_no_14.log

each one contains a timestamp from "date +'%s'"

now i need function which finds the logfile with the greatest number in it and returns (echos) the filename.

how can this be done?

I know this is not it..but a start..

Code:
function find_most_recent_entire_backup(){
    # read the logfile of the most recent entire_backup and 
    for f in `find ./ -type f -regex ".*entire.*.log" `; do
        timestamp=`grep [1,2,3,4,5,6,7,8,9,0] $f`
        echo $timestamp
    done
}


thank you already
 

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LOGSAVE(8)						      System Manager's Manual							LOGSAVE(8)

NAME
logsave - save the output of a command in a logfile SYNOPSIS
logsave [ -asv ] logfile cmd_prog [ ... ] DESCRIPTION
The logsave program will execute cmd_prog with the specified argument(s), and save a copy of its output to logfile. If the containing directory for logfile does not exist, logsave will accumulate the output in memory until it can be written out. A copy of the output will also be written to standard output. If cmd_prog is a single hyphen ('-'), then instead of executing a program, logsave will take its input from standard input and save it in logfile logsave is useful for saving the output of initial boot scripts until the /var partition is mounted, so the output can be written to /var/log. OPTIONS
-a This option will cause the output to be appended to logfile, instead of replacing its current contents. -s This option will cause logsave to skip writing to the log file text which is bracketed with a control-A (ASCII 001 or Start of Header) and control-B (ASCII 002 or Start of Text). This allows progress bar information to be visible to the user on the console, while not being written to the log file. -v This option will make logsave to be more verbose in its output to the user. AUTHOR
Theodore Ts'o (tytso@mit.edu) SEE ALSO
fsck(8) E2fsprogs version 1.42.9 December 2013 LOGSAVE(8)
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