> -----Original Message----- > From: redhat-list-bounces@xxxxxxxxxx > [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Pete Nesbitt > Sent: Tuesday, April 05, 2005 12:01 AM > To: General Red Hat Linux discussion list > Subject: Re: Last Sunday of the Month > > On Monday 04 April 2005 12:55 pm, Steve Buehler wrote: > > RHEL ES 3 > > I can't seem to find this about the date command, but that doesn't > > mean it can't do it. I have overlooked things in the past. > > > > 1. Can the date command give you a date for the Last Sunday of a > > month? Or do I have to go through a loop to check each day of the > > month to see if it is the last Sunday of the month? > > > > 2. I can do a date --date="last sunday". Is there a way > to tell it > > to give me the date of 4 Sundays ago? I tried date > --date="4 sundays > > ago" and that didn't do it. > > > > Thanks > > Steve > > > Hi, > You can use -d to request a date by string, but i think it > only uses 'next' or 'last'. > date -d "last month" > Fri Mar 4 21:00:09 PST 2005 > > date -d "next sunday" > Sun Apr 10 00:00:00 PDT 2005 > > You could check if next sunday is the current month: > date -d "next sunday"|awk ' {print $2} ...does it = $thismonth? > That would be a lot easier to check than checking every day. > > -- Yes, check if next sunday is the current month but get the date like this: LASTSUNDAY=`date -d "last sunday"` NEXTSUNDAY=`date -d "next sunday"` NEXTSUNDAYMONTH=`date -d "$NEXTSUNDAY" | awk '{print $2}'` That will allow you to iterate in a while loop with the following (i.e. if NEXTSUNDAYMONTH is not equal to the current month): LASTSUNDAY=$NEXTSUNDAY NEXTSUNDAY=`date -d "$NEXTSUNDAY + 1 week"` # I guess this line is what you're looking for NEXTSUNDAYMONTH=`date -d "$NEXTSUNDAY" | awk '{print $2}'` When NEXTSUNDAYMONTH is no longer equal to the current month, LASTSUNDAY will contain the date of the last Sunday of the current month. Hope this helps, Michael -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
