Check file and if it doesnt exist , exit script Post: 302334735

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LEARN ABOUT OPENDARWIN

sa2

sa2(8)							    BSD System Manager's Manual 						    sa2(8)

NAME

     sa2 -- Generate a system activity daily report file.

SYNOPSIS

     /usr/lib/sa/sa2 [-dgpu] [-n mode] [-e time] [-f filename] [-i seconds] [-s time]

DESCRIPTION

     The sa2 command is a shell script used to invoke the system activity reporter sar for purposes of generating the standard default daily
     report file.  The report file generated is, /var/log/sa/sardd where the dd represents the current day of the month.  The sa2 options are the
     same as those documented in sar(1).

     When sa2 runs, it will also remove data and report files, found in /var/log/sa, that are more than one week old.

     The sa2 command is intended to be started by cron.

EXAMPLE CRON ENTRY

     # Starting at 8am collect system activity records
     # every 20 minutes for 12 hours
     # 20 minutes = 1200 seconds
     # 12 hours with 3 samples each hour = 36 loops

     0 8 * * 1-5 /usr/lib/sa/sa1 1200 36

     # After the 12 hour period,
     # collect a system activity report

     30 20 * * 1-5 /usr/lib/sa/sa2 -A

FILES

     /var/log/sa/sardd	Default daily report file.
     /var/log/sa/sadd	Default daily data file.

			dd are digits that represent the day of the month.

SEE ALSO

     sa1(8), sadc(8), sar(1), iostat(8), vm_stat(1), netstat(1), top(1), sc_usage(1), fs_usage(1), crontab(1), crontab(5)

Mac OS X							    Jul 25 2003 							  Mac OS X

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