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Full Discussion: Scripting question
Top Forums Shell Programming and Scripting Scripting question Post 302129828 by moe2266 on Wednesday 1st of August 2007 10:45:34 PM
Old 08-01-2007
Computer Scripting question

Folks;
I'm writing a shell script to extract some fields out of a log file & it will run periodically, how can i make it runs starting from where it left of. for example;

if the script will do the extract every 2 days, let's say the first run will extract fields until July 25, 2007 @ 11:15:22 pm
How can i make the second run start from July 25, 2007 @ 11:15:23 PM?

Here's the script:

#!/bin/sh

echo " field1 field2 field3"
egrep 'Real value' new.log | \
while read mLine
do
mFld1=`echo $mLine | cut -d'|' -f1`
mFld2=`echo $mLine | cut -d'|' -f2`
mFld3=`echo $mLine | cut -d'|' -f3`


echo "$mFld1 $mFld2 $mFld3"
done
 

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

NAME
service - run a System V init script SYNOPSIS
service SCRIPT COMMAND [OPTIONS] service --status-all service --help | -h | --version DESCRIPTION
service runs a System V init script in as predictable environment as possible, removing most environment variables and with current working directory set to /. The SCRIPT parameter specifies a System V init script, located in /etc/init.d/SCRIPT. The supported values of COMMAND depend on the invoked script, service passes COMMAND and OPTIONS it to the init script unmodified. All scripts should support at least the start and stop commands. As a special case, if COMMAND is --full-restart, the script is run twice, first with the stop command, then with the start command. service --status-all runs all init scripts, in alphabetical order, with the status command. If the init script file does not exist, the script tries to use legacy actions. If there is no suitable legacy action found and COMMAND is one of actions specified in LSB Core Specification, input is redirected to the systemctl. Otherwise the command fails with return code 2. FILES
/etc/init.d The directory containing System V init scripts. ENVIRONMENT
LANG, TERM The only environment variables passed to the init scripts. SEE ALSO
chkconfig(8), ntsysv(8), systemd(1), systemctl(8), systemd.service(5) Jan 2006 service(8)
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