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date problem

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# 1  
Old 03-15-2011
date problem
hi everyone

i have another date problem

i need to find out the last week number and in that last week i need to find out at what day monday comes.

please help
# 2  
Old 03-15-2011
The solution depend on your operating system.
Code:
# uname -v
FreeBSD 7.3-RELEASE-p3 #0: Tue Nov  2 22:42:55 CET 2010


# date -v -1w -v $((($(date +%u) - 1)* -1))d
Mon Mar  7 05:38:32 EST 2011

# date -v -1w -v $((($(date +%u) - 1)* -1))d +%d
07

# 3  
Old 03-15-2011
hi

above command is giving me error as

My operating system is sun solaris can we don this command on this


Code:
 
-bash-3.00$ date -v -1w -v $((($(date +%u) - 1)* -1))d
date: illegal option -- v
date: illegal option -- 1
date: illegal option -- w
date: illegal option -- v
date: illegal option -- 1
date: illegal option -- d
usage:  date [-u] mmddHHMM[[cc]yy][.SS]
        date [-u] [+format]
        date -a [-]sss[.fff]
-bash-3.00$ date -v -1w -v $((($(date +%u) - 1)* -1))d +%d
date: illegal option -- v
date: illegal option -- 1
date: illegal option -- w
date: illegal option -- v
date: illegal option -- 1
date: illegal option -- d
usage:  date [-u] mmddHHMM[[cc]yy][.SS]
        date [-u] [+format]
        date -a [-]sss[.fff]
-bash-3.00$

# 4  
Old 03-15-2011
My solution work for FreeBSD date only. Sorry but you didn't state you OS from head-start.
# 5  
Old 03-15-2011
okkk can u tell me solution for my operating system

it's imp to me


or

can you tell me the solution if i want to find the last monday of the current date in unix
# 6  
Old 03-15-2011
Take a look at second answer on this thread: date -d compatibility on Solaris - The UNIX and Linux Forums
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