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Top Forums UNIX for Dummies Questions & Answers Shell script question on variables Post 302303955 by figaro on Saturday 4th of April 2009 04:00:29 AM
Old 04-04-2009
Shell script question on variables

I have the following script that is supposed to calculate the runtime of the script as a whole (edited for brevity):
Code:
#!/bin/sh

# set endtime and print elapsed time
set starttime=`date +%s`
echo "Value of starttime: " $starttime
sleep 1
set endtime=`date +%s`
echo "Value of endtime: " $endtime
set elapsedtime=$endtime - $starttime
printf "Script took %02d:%02d:%02d to complete\n" $((elapsedtime/3600)) $((elapsedtime/60%60)) $((elapsedtime%60))

The output however is as follows:
Code:
# ./runtime.sh
Value of starttime: 
Value of endtime: 
Post installation took 00:00:00 to complete

Does this mean that the regular shell (ie not bash) does not recognise variables? What do I do to make this script work without resorting to bash?

Thanks in advance
 

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SCRIPT-EMAIL(8) 					  System Administration Commands					   SCRIPT-EMAIL(8)

NAME
script-email - Amanda script to send email notifications DESCRIPTION
script-email is an Amanda script implementing the Script API. It should not be run by users directly. It sends a notification email to the addresses specified in the MAILTO property. PROPERTIES
This section lists the properties that control script-email's functionality. See amanda-scripts(7) for information on the Script API, script configuration. MAILTO List of email addresses that will receive an email on command execution. It is a multi-valued property: property "MAILTO" "amanda@domain.com" "sysadmin@domain.com" "amandauser@domain.com" EXAMPLE
In this example, script-email is scheduled to be run before the DLE, on the server. The unqualified email address amanda will be passed to the email system unchanged. The script is then attached to a dumptype, which can then be specified for any DLEs which require notification. define script-tool pre-email { comment "email me before this DLE is backed up" plugin "script-email" execute-on pre-dle-backup execute-where server property "mailto" "amanda" } define dumptype user-tar-email { user-tar script "pre-email" } SEE ALSO
amanda(8), amanda.conf(5), amanda-client.conf(5), amanda-scripts(7) 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 3.3.1 02/21/2012 SCRIPT-EMAIL(8)
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