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Full Discussion: Script to read log file
Top Forums UNIX for Advanced & Expert Users Script to read log file Post 302603849 by methyl on Friday 2nd of March 2012 06:36:54 AM
Old 03-02-2012
Please tell us more about the logfile /path/logfile.log.
Does the program append to the log every time it is run or is the log created from scratch?
If the log is appended you could consider adding your own entries to the log containing the values of your $START and $END variables such that you can find them with "sed".

Please reply to the above request: What Operating System and version do you have and what Shell are you using?

There are multiple logic and syntax errors in your most recent script.

Last edited by methyl; 03-02-2012 at 08:07 AM..
 

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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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