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Last sunday of current date

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# 8  
Old 03-14-2011
hiii


thanks a lot all of ur reply

can u people please answer one more question

suppose i have week no , and i know day should be monday and i know year too

hw can i find the exact date of monday

please help me with this
# 9  
Old 03-14-2011
To bring little tweak to Pravin code :

Code:
set -- $(echo "20110314" | sed 's/\(..\)..$/ \1/')
cal $2 $1  | awk -v m=$2 -v Y=$1 'NF>1{d=$1} END{print d m Y}'

This User Gave Thanks to ctsgnb For This Post:
pravin27
# 10  
Old 03-14-2011
hii


can u please answer this question


if i have the week number and i know monday is the day and i know year too

how can i find out the day of the week
please as this is very imp
# 11  
Old 03-14-2011
You could also get the yesterday date from the monday of the current week
# 12  
Old 03-14-2011
You can also use Korn Shell 93. It has built in date arithmetic.
Code:
$ printf "%T\n" "last sunday in month"
Sun Mar 27 00:00:00 EDT 2011
$ printf "%T\n" "last week sunday"
Sun Mar  6 00:00:00 EST 2011
$ printf "%T\n" "last sunday"
Sun Mar 13 00:00:00 EST 2011

# 13  
Old 03-14-2011
Code:
a=$(date +%w)
[[ $a -eq 0 ]] && a=7
ts=$(( $(date +%s) - $a * 24 * 3600 ))
date -d "1970-01-01 00:00:00 UTC + $ts seconds"

This is with GNU date

Code:
# date
lun mar 14 15:23:19 CET 2011
# a=$(date +%w)
# [[ $a -eq 0 ]] && a=7
# ts=$(( $(date +%s) - $a * 24 * 3600 ))
# date -d "1970-01-01 00:00:00 UTC + $ts seconds"
dim mar 13 15:23:24 CET 2011
# date
lun mar 14 15:23:33 CET 2011
#

or
Code:
# date -d "1970-01-01 00:00:00 UTC + $ts seconds" +%Y%m%d
20110313

Last edited by ctsgnb; 03-14-2011 at 11:30 AM..
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