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Top Forums Shell Programming and Scripting Cron Job to Run for 30 minutes Post 302962791 by RudiC on Friday 18th of December 2015 11:53:58 AM
Old 12-18-2015
e.g. (recent) bash has the SECONDS variable; man bash:
Quote:
SECONDS
Each time this parameter is referenced, the number of seconds since shell invocation is returned. ...
So - try
Code:
if [ "$SECONDS" -ge 1800 ]; then exit; fi

 

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ISDND.ACCT(5)						      BSD File Formats Manual						     ISDND.ACCT(5)

NAME
isdnd.acct -- isdn4bsd ISDN management daemon accounting file format DESCRIPTION
The file isdnd.acct contains accounting information which is written if the variable useacctfile in the isdnd(8) configuration file isdnd.rc(5) is set to on and charging information transmission has been subscribed for the ISDN connection (AOCD or AOCE). If the variable acctall is set to on, accounting information is written even if the local site was not charged or no charging information is available or is not subscribed. The general format of an accounting line is as follows: FROM - UNTIL NAME UNITS (SECONDS) (INBYTES/OUTBYTES) FROM is the time the connection was established in the format Day.Month.Year Hour:Minutes:seconds UNTIL is the time the connection was closed. The format is the same as described for FROM above. NAME is the symbolic name got from the name entry of the isdnd.rc(5) config file for this connection. UNITS is the amount of charging units billed for the connection. SECONDS is the number of seconds the connection lasted. INBYTES and OUTBYTES is the (optional) number of bytes that were transferred. FILES
/var/log/isdnd.acct The default accounting information file for the isdnd ISDN daemon. EXAMPLES
This is a typical accounting line: 12.06.97 10:41:37 - 12.06.97 10:45:18 GROGGY 2 (65) (4711/1147) SEE ALSO
isdnd.rc(5), isdnd(8) AUTHORS
The isdnd(8) daemon and this manual page were written by Hellmuth Michaelis <hm@kts.org>. BSD
September 11, 1998 BSD
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