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Top Forums UNIX for Beginners Questions & Answers Need in for a script that should check for errors in multiple log file (approx 2500) and should mail Post 302996409 by Don Cragun on Tuesday 25th of April 2017 09:17:52 PM
Old 04-25-2017
Moderator's Comments:
Mod Comment I am moving this thread discussing a technical problem from the How to Post in the The UNIX and Linux Forums forum to a forum intended for technical discussions...


Knowing how your log file are named and where they are located might provide a better means of getting a list of files to process than manually creating a file containing 2500 pathnames).

Knowing what operating system and shell you're using might help us determine whether or not the operating system you're using has tools to perform these kinds of specialized searches built-in.

Knowing the format of your log files and how you are able to determine whether or not they contain indications that an error occurred will be crucial to determine what kind of processing needs to be performed to achieve your goal.

Samples of log files and the output you hope to produce from those samples would be a huge help if you want suggestions on how to process your log files.

Without basic information like those things listed above, we can make lots of wild guesses that might not be of any help at all.
 

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logcheck-test(1)					      General Commands Manual						  logcheck-test(1)

NAME
logcheck-test - test new logcheck rules easily SYNOPSIS
logcheck-test [-q|-i] [-a|-s|-l FILE] [-e] [-P PREFIX] [-S SUFFIX] RULE logcheck-test [-q|-i] [-a|-s|-l FILE] -r RULEFILE DESCRIPTION
logcheck-test parses a log file for matching lines specified by a single rule or a rule file. If using a single RULE you can set a PREFIX and a SUFFIX to write new rules easily. OPTIONS
-h, --help Show usage information -a, --auth.log Parse /var/log/auth.log for matching lines -s, --syslog Parse /var/log/syslog for matching lines -l, --log-file FILE Parse FILE for matching lines -i, --invert-match Show line that don't match the RULE or the RULEFILE -q, --quiet Suppress rule summary at the end of output -e, --surround-rule Surround RULE with standard prefix and suffix: ^[[:alpha:]]{3} [ :[:digit:]]{11} [._[:alnum:]-]+ RULE$ -P, --append-prefix PREFIX Append PREFIX to rule prefix. Option can be given multiple times -S, --prepend-suffix SUFFIX Prepend SUFFIX to rule suffix. Option can be given multiple times -r, --rule-file RULEFILE Use file RULEFILE for rule input EXAMPLES
With logcheck-test you can easily write and test new rules. Test a single rule against /var/log/syslog: logcheck-test -s "RULE" Test a single rule against ~/log, surround the rule with standard prefix and suffix and append "kernel " to prefix: logcheck-test -l ~/log -e -P "kernel " "RULE" Test the rules in rulefiles/linux/ignore.d.server/kernel against ~/log: logcheck-test -l ~/log -r rulefiles/linux/ignore.d.server/kernel Test which lines the rules in rulefiles/linux/ignore.d.server/kernel doesn't match: logcheck-test -l ~/log -r rulefiles/linux/ignore.d.server/kernel -i EXIT STATUS
On successful matching logcheck-test will complete with exit code 0. An exit code of 1 indicates no successful matching. An exit code greater then 1 indicates an error occurred. Textual errors are written to the standard error stream. SEE ALSO
logcheck(8) AUTHOR
logcheck is developed by Debian logcheck Team at alioth: http://alioth.debian.org/projects/logcheck/. This manual was written by Hannes von Haugwitz <hannes@vonhaugwitz.com>. Feb 19, 2010 logcheck-test(1)
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