Sponsored Content
Top Forums Shell Programming and Scripting Get the line from the log file Post 302900384 by neutronscott on Tuesday 6th of May 2014 01:01:56 PM
Old 05-06-2014
Date math is hard. If you have GNU date, then you can use this

Code:
mute@thedoctor:~$ ./script < input
2014-May-06 03:24:09 781;WARN   ;system error occuerd.
at (Unknown Source)
        at mpl.java:37)
        at (Method.java:611)
        at (ApiHelper.java:395)
2014-May-06 04:24:09 781;WARN   ;system error occuerd.
at (Unknown Source)
        at mpl.java:37)
        at (Method.java:611)
        at (ApiHelper.java:395)


Code:
mute@thedoctor:~$ cat script
#!/usr/bin/awk -f

BEGIN {
#       was used for testing with specific date/time
        now="May 6 2014 05:00:00"
        cmd=sprintf("date -d'%s 2 hours ago' +%%s", now)
#       cmd="date +%s"
        cmd | getline start
        close(cmd)
}

# if we found a line with a date within two hours,
# then the rest must be in range too
go==1 { print; next }

# reading a date line
$1 ~ /^[0-9][0-9][0-9][0-9]-/ {
        # reformat date from "2014-May-5" to "May 5 2014"
        split($1,a,/-/)
        cmd=sprintf("date -d'%s %s %s %s' +%%s", a[2], a[3], a[1], $2)
        cmd | getline secs
        close(cmd)
        if (secs >= start) {
                print
                go=1
        }
}

This User Gave Thanks to neutronscott For This Post:
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

checking size of the first line in a log file

Hi My test.log file looks like this: 0 190_GSTV_HUX_003QISCGSK026_error070322_115331917.log 34 190_GSTV_HUX_003QISCGSK026_error070117_151311385.log 12 190_GSTV_HUX_003QISCGSK026_error070117_151230001.log 2 190_GSTV_HUX_003QISCGSK026_error070117_101010001.log 0... (19 Replies)
Discussion started by: kiran1112
19 Replies

2. Shell Programming and Scripting

i want to add one new line in log file

Help There are so many lines in log file like 'SQL> spool off' just I want to add one new line after this to seperate each one eg; SQL> spool off ------------------------------- SQL> spool off ------------------------------- SQL> spool off ------------------------------- (2 Replies)
Discussion started by: suryanarayana
2 Replies

3. Shell Programming and Scripting

How to read multiple line from log file

I have errors in the log that span multiple lines and I can find say the 2nd line in the log of this error using an unique word. However, this only gets me the line that the word appears in not the full error which may be 3 or four line long. So if there way to display say the line before a match... (4 Replies)
Discussion started by: vishal_vsh1
4 Replies

4. Shell Programming and Scripting

shell script to read a line in gps receiver log file and append that line to new file

Hi, I have gps receiver log..its giving readings .like below Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. GPSD,R=1 $GPGSV,3,1,11,08,16,328,40,11,36,127,00,28,33,283,39,20,11,165,00*71... (3 Replies)
Discussion started by: gudivada213
3 Replies

5. Shell Programming and Scripting

How to find duplicate line in log file?

Hi guys, I'm really happy to find this forum I have a log file, and I have to find all lines that have "error" word, and then save this output in file, the output file has to have just only one line to any Duplicated lines and counter that show how many time this lines duplicated? I already... (2 Replies)
Discussion started by: wax_light
2 Replies

6. Shell Programming and Scripting

parse a log file and remember last line

Hi all: I'm working on a HPUX 11.23 system and I am needing to parse a tomcat-jakarta log file for memory use. Getting the desired data is easy, assuming the log file does not grow. This file grows constantly and I want to check it q 5 min. The next check will pick up from where it left off 5... (4 Replies)
Discussion started by: raggmopp
4 Replies

7. Shell Programming and Scripting

How to process log file line by line?

Greetings, I'm new to this forum, also new to shell script I have done some simple shell script before, like backup linux machine using rsync and crontab, but now I need to do some log analyzing, which is beyond my ability... so I'm going to seek for help in this forum, hope someone could give... (5 Replies)
Discussion started by: lunaticdawn
5 Replies

8. Shell Programming and Scripting

HELP: Shell Script to read a Log file line by line and extract Info based on KEYWORDS matching

I have a LOG file which looks like this Import started at: Mon Jul 23 02:13:01 EDT 2012 Initialization completed in 2.146 seconds. -------------------------------------------------------------------------------- -- Import summary for Import item: PolicyInformation... (8 Replies)
Discussion started by: biztank
8 Replies

9. Shell Programming and Scripting

Reading line by line from live log file using while loop and considering only those lines start from

Hi, I want to read a live log file line by line and considering those line which start from time stamp; Below code I am using, which read line but throws an exception when comparing line that does not contain error code tail -F /logs/COMMON-ERROR.log | while read myline; do... (2 Replies)
Discussion started by: ketanraut
2 Replies

10. UNIX for Beginners Questions & Answers

Zabbix item for last line of a log file

Dear all,Zabbix version : 2.4 (yes, I know, upgrading soon - honest) Server OS version : CentOS 6, 64-bit (CentOS 7 with the Zabbix upgrade)I've got a large log file that I would like to read by an external process. It's basically the same as reading the item value on a web-page. I have... (5 Replies)
Discussion started by: rbatte1
5 Replies
FBB::mlm(3bobcat)                                             OFoldStream manipulator                                            FBB::mlm(3bobcat)

NAME
FBB::mlm - Manipulator modifying left margins of OFoldStream objects SYNOPSIS
#include <bobcat/ofoldstream> or #include <bobcat/ofoldstreambuf> Linking option: -lbobcat DESCRIPTION
The mlm class implements a manipulator that can be inserted into OFoldStream objects to modify the stream's left margin by a requested amount. The request cannot result in a negative left margin value. If a negative left margin would be the arithmetic result of the request then left margin 0 will silently be used. Depending on the tab-setting of the OFoldStream the inserted value represents the number of blank space characters or the number of tab-characters that will be added to the left margin. The request will be processed at the next newline character or std::flush or std::endl manipulator that is inserted into the stream. If a line is still empty once an mlm object and a flush manipulator are inserted into the stream then the new left margin will be effective at the next word inserted into that line (cf., the example section below) A bad_cast exception is thrown when the manipulator is inserted into an ostream that is not using a OFoldStreambuf buffer. NAMESPACE
FBB All constructors, members, operators and manipulators, mentioned in this man-page, are defined in the namespace FBB. INHERITS FROM
- CONSTRUCTOR
o mlm(int addValue): The standard copy constructor is available. MEMBER FUNCTIONS
There are no public or protected member functions in this class. EXAMPLE
#include <iostream> #include <bobcat/ofoldstream> using namespace std; using namespace FBB; int main() { OFoldStream out(cout, 0, 80); out << "hello world (left margin is 0)" << mlm(4) << " " "this uses a 4 character wide left margin " << mlm(-10) << flush << "left margin -6 changed to 0, active on this line "; return 0; } FILES
bobcat/mlm - defines the class interface SEE ALSO
bobcat(7), manipulators(3bobcat), lm(3bobcat), ofoldstream(3bobcat) BUGS
None Reported. DISTRIBUTION FILES
o bobcat_3.01.00-x.dsc: detached signature; o bobcat_3.01.00-x.tar.gz: source archive; o bobcat_3.01.00-x_i386.changes: change log; o libbobcat1_3.01.00-x_*.deb: debian package holding the libraries; o libbobcat1-dev_3.01.00-x_*.deb: debian package holding the libraries, headers and manual pages; o http://sourceforge.net/projects/bobcat: public archive location; BOBCAT
Bobcat is an acronym of `Brokken's Own Base Classes And Templates'. COPYRIGHT
This is free software, distributed under the terms of the GNU General Public License (GPL). AUTHOR
Frank B. Brokken (f.b.brokken@rug.nl). libbobcat1-dev_3.01.00-x.tar.gz 2005-2012 FBB::mlm(3bobcat)
All times are GMT -4. The time now is 08:21 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy