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Full Discussion: Run script on every last sunday of the month
Top Forums Shell Programming and Scripting Run script on every last sunday of the month Post 302977760 by Don Cragun on Thursday 21st of July 2016 07:46:27 PM
Old 07-21-2016
Hi netdbaind,
The problem with your logic is that the last Sunday in a month is 22-28 in a month with 28 days, 23-29 in a month with 29 days, 24-30 in a month with 30 days and 25-31 in a month with 31 days. There is nothing that you have shown us in your code that determines whether or not you are in a leap year nor what month you're evaluating.

The code rdrtx1 suggested works in any locale where cal will print Sundays as the leftmost field on a line. You could guarantee that the output from cal will give you what you want no matter where in the world you run it if you change the first line to:
Code:
ls=$(LC_ALL=C cal | awk '$1+=0 {ls=$1} END {print ls}')

This User Gave Thanks to Don Cragun For This Post:
rbatte1
 

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LEARN ABOUT DEBIAN

nnstats

NNSTATS(1m)															       NNSTATS(1m)

NAME

       nnstats - display nnmaster collection and expire statistics

SYNOPSIS

       nnstats [ -lt ] [ -d month day ] [ -m month ] [ logfile ]...

DESCRIPTION

       nnstats	will  extract  the collection (C) and expiration (X) entries from the log file and calculate total and average number of articles,
       groups and elapsed time per day, per month, or for the duration of the whole log file.

       Normally only a summary for the specified period is printed.  If -l is specified, the statistics  for  each  day  in  the  period  is  also
       printed, and if -t is specified the summary is not printed.

       Normally the statistics is collected for all days in the log files (or the current log file if one is not specified).

       If  "-m	month" is specified, the statistics for that month is calculated.  The month is specified in normal date notation, i.e. a capital-
       ized three letter abbreviation like Jan, Feb, ...

       If "-d month day" is specified, the statistics for that date only is calculated and printed.

FILES

       ../Log	The log file

SEE ALSO

       nn(1), nnusage(1M), nnadmin(1M), nnmaster(8)

NOTES

       If nnmaster is run with options -LCX, nnstats will not work, because the necessary entries are not written to the log file.

AUTHORS

       Mark Moraes <moraes@csri.toronto.edu>
       Kim F. Storm <storm@texas.dk>

4th Berkeley Distribution					    Release 6.6 						       NNSTATS(1m)
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