Need help making a start/stop script... Post: 302364789

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Top Forums UNIX for Dummies Questions & Answers Need help making a start/stop script... Post 302364789 by phpfreak on Friday 23rd of October 2009 11:06:31 PM

10-24-2009

Registered User

Need help making a start/stop script...

i have two separate scripts that work nicely to curl and generate two files.. one html and one txt so a total of four.

When the script starts up i want it to:
call and run shellscripta
call and run shellscriptb
sleep for about 40 seconds
again run shellscripta
again run shellscriptb
check and make sure both txta and txtb exist then..
check for any differences..
if they are the same than continue loop/sleep
if the two text files contain different data
email user@somewhere.com with the data of both files then continue loop
--loop stops when i run 'xcommand stop'

There are two parts of this that's difficult for me.. one is creating a loop that starts and stops when i tell it.. the other is the portion that checks for differences then emails.. the script has to 'head -n4' both text files to see if there are any differences.. if there are i need it to 'mail' me both parts of the text files 'head -n5' (5th line containing the date so i know what's oldvsnew).. i hope i'm making some sense but any help would be great

phpfreak

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LEARN ABOUT CENTOS

service

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)