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Shell Programming and Scripting
Need to Grep or awk a logfile for greater than value
Post 302473498 by 1905 on Saturday 20th of November 2010 06:29:50 PM
11-20-2010
Need to Grep or awk a logfile for greater than value
Hello all
Hoping someone would be kind enough to suggest a solution to a problem i have, and see if maybe i can even do this without a script.
Essentially i have a very large log file, and within it each line had a value called TTMT, and it records a variable number in the following way, so if a message took 20 mseconds it would appear as TTMT {20} or 21 mseconds then TTMT {21}
There are thousands of entries of TTMT in this logfile and i am only concerned with timings above 20 mseconds, so would like to look only at message strings where the number is geater than 20, and append/write them to a seperate file.
I can do a grep 'TTMT {21}' friday.log |more to see each message where its 21 but i would like a way to see anything above 20 and snend to another log > above20.log
I believe i could use awk but can not see a way to do this correctly, is it possible to do the above using awk or/and grep? rather than having to create a script?
Any advice gratefully accepted
Hoping someone would be kind enough to suggest a solution to a problem i have, and see if maybe i can even do this without a script.
Essentially i have a very large log file, and within it each line had a value called TTMT, and it records a variable number in the following way, so if a message took 20 mseconds it would appear as TTMT {20} or 21 mseconds then TTMT {21}
There are thousands of entries of TTMT in this logfile and i am only concerned with timings above 20 mseconds, so would like to look only at message strings where the number is geater than 20, and append/write them to a seperate file.
I can do a grep 'TTMT {21}' friday.log |more to see each message where its 21 but i would like a way to see anything above 20 and snend to another log > above20.log
I believe i could use awk but can not see a way to do this correctly, is it possible to do the above using awk or/and grep? rather than having to create a script?
Any advice gratefully accepted
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svcdumplog
svcdumplog(1m) svcdumplog(1m) NAME
svcdumplog - Prints contents of a binary serviceability log file SYNOPSIS
svcdumplog [-s num_of_entries] logfile OPTIONS
The -s flag tells svcdumplog to skip the first num_of_entries log entries before printing, where num_of_entries is a number. DESCRIPTION
The svcdumplog program will print the contents of a binary log file. DCE components log important information about their activities and state via the DCE serviceability interface. The log messages can be routed as desired via the dcecp log object. The messages can also be written in either binary or in text format (information about specify- ing message format can be found in svcroute(5)). When binary format has been specified for a component's messages, each log entry will be written as a binary record of data defined (in dce/svclog.h) as the contents of the serviceability prolog structure. The svcdumplog utility will print the contents of such a binary log file as readable text. RELATED INFORMATION
dce_svc_log_get(3), dce_svc_log_close(3), dce_svc_log_open(3), dce_svc_log_rewind(3), svcroute(5), log(1m) Books: OSF DCE Porting and Testing Guide, OSF DCE Application Development Guide svcdumplog(1m)