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date command

Rambo

I am trying to get week number from the date command using
date +%W and the output is 45 but yet the week number 46

Anyone got any glues what happening using redhat 9 ,Redhat 3 EL ,whitbox linux give all the same results
thanks

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qBot

Ya...it's doing the same on my machine..I'm guessing from what i've read in the man pages that week one is referred to as 0 and so on. Just increment whatever number u get from the program.

%W   week number of year with Monday as first day of week (00..53)

Kev

The date command numbers the weeks starting from zero.
Can you not just add one ?

krinDar

Rambo wrote:

I am trying to get week number from the date command using
date +%W and the output is 45 but yet the week number 46

To get the value you want ( this being week 46) you could use the following:

date +%V

(works on Debian 3.0, Solaris 2.7 ... )

I guess the behaviour of %W is the old method, starting the count
from zero whereas %V is the behaviour defined by ISO 8601.

Rambo

Kev wrote:

The date command numbers the weeks starting from zero.
Can you not just add one ?

but when you reach week 53 it will be week 54 can do

qBot

Rambo wrote:

but when you reach week 53 it will be week 54 can do

If it does output 53 then it will still be infact week 54. I think there is 53 weeks in this year so the most date will go up to is 52. So 52 plus 1 is 53. Then it goes back to 1. However KrinDar seems to be right. The V option gives the correct output.

Rambo

krinDar wrote:
To get the value you want ( this being week 46) you could use the following:
date +%V
(works on Debian 3.0, Solaris 2.7 ... )

I guess the behaviour of %W is the old method, starting the count
from zero whereas %V is the behaviour defined by ISO 8601.

look like you posted just before for the last post

Thanks that works great