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Full Discussion: Script to get checksum of itself
Top Forums Shell Programming and Scripting Script to get checksum of itself Post 302991313 by SkySmart on Thursday 9th of February 2017 02:28:23 AM
Old 02-09-2017
Script to get checksum of itself
is there a way to get a script to do a checksum on itself?

something like this:

Code:
#!/bin/sh

myexpectedsig=$(cksum $0 | awk '{print $1}')
if [ ${myexpectedsig} -ne 83373373737 ] ; then
     exit
else
   who
   uptime
   date
fi

im looking for something that would always represent the running script, which is why im using "$0" above. but $0 may not be reliable. as in, it may not always refer to the running script file.
 

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LEARN ABOUT CENTOS

amanda-scripts

AMANDA-SCRIPTS(7)						    Miscellanea 						 AMANDA-SCRIPTS(7)

NAME

       amanda-scripts - Configuring and using the Script API

DESCRIPTION

       The Script API is a flexible system for invoking user-supplied scripts at various points in the execution of Amanda. This manual page
       describes the operation and configuration of the API. For help writing Script API scripts, see http://wiki.zmanda.com/index.php/Script_API.

SCRIPTS

       This section lists the scripts included with Amanda, see the individual man page for instructions on using them. For complete How-To
       information, consult the Amanda wiki at http://wiki.zmanda.com.

       o   amzfs-snapshot(8), - create/destroy zfs snapshot.

       o   script-email(8), - send email.

       Script properties work just like application properties: they are insensitive to case, and - (dash) and _ (underscore) may be used
       interchangeably.

SCRIPTS OUTPUT PROPERTY

       A pre-dle-amcheck, pre-dle-estimate or pre-dle-backup executed on the client can output property on stdout that are sent to the
       application. If the output line matches "PROPERTY str1 str2", Amanda sets a property called "str1" by the value of "str2", that property is
       sent to the application.

SEE ALSO

       amanda(8), amanda.conf(5)

       The Amanda Wiki: : http://wiki.zmanda.com/

AUTHORS

       Jean-Louis Martineau <martineau@zmanda.com>
	   Zmanda, Inc. (http://www.zmanda.com)

       Dustin J. Mitchell <dustin@zmanda.com>
	   Zmanda, Inc. (http://www.zmanda.com)

Amanda 3.3.3							    01/10/2013							 AMANDA-SCRIPTS(7)
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