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Full Discussion: C Shell Script to convert a number into minutes
Top Forums Shell Programming and Scripting C Shell Script to convert a number into minutes Post 39132 by Ringo on Thursday 7th of August 2003 01:18:52 PM
Old 08-07-2003
C Shell Script to convert a number into minutes
Could anyone tell me how to write a C shell script according to the following requirement.

Write a C shell script convertmin which will read in a number, thought of as representing minutes, and print out the number of hours/minutes it represents so:

Note: you are required to check exception cases: such as negative number, whether the input is numeric, etc

$ convertmin
Enter a number of minutes:
128

Result
128 minutes is 2 hours and 8 minutes
 

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LEARN ABOUT OSX

sa1

sa1(8)							    BSD System Manager's Manual 						    sa1(8)

NAME

     sa1 -- Generate a system activity daily data file.

SYNOPSIS

     /usr/lib/sa/sa1 [t n]

DESCRIPTION

     The sa1 command is a shell script used to invoke the system activity data collector, sadc.  The binary sample data is collected at intervals
     t seconds apart, in a loop n times.  The binary sample data is written to the standard daily data file, /var/log/sa/sadd where the dd repre-
     sents the current day of the month.

     sa1 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/sadd  Default daily activity file that holds the binary sampling data.  dd are digits that represent the day of the month.

SEE ALSO

     crontab(1), fs_usage(1), netstat(1), sar(1), sc_usage(1), top(1), vm_stat(1), crontab(5), iostat(8), sa2(8), sadc(8)

Mac OS X							    Jul 25 2003 							  Mac OS X
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