Question

Finding out number of weeks by date range

Asked by: moyedokun

I have a record with a date range.  Is there a way to determine the number of weeks that is included in the date range?

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Asked On
2006-07-23 at 18:03:27ID21929045
Tags

weeks

,

date

,

number

,

range

Topic

ColdFusion Application Server

Participating Experts
4
Points
500
Comments
6

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Answers

 

by: adonis1976Posted on 2006-07-23 at 19:33:41ID: 17165057

Say for example you have a record like 07/23/2006-07/20/2006

You can do something like this:

<cfset sDate = "07/23/2006-07/20/2006"

<cfset iWeeks = datediff(ww,listLast(sDate),listFirst(sDate))>

iWeeks should give you the difference in weeks..

 

by: usachrisk1983Posted on 2006-07-24 at 06:19:34ID: 17167364

Slight modification to one of your lines:

<cfset iWeeks = datediff(ww,listLast(sDate),listFirst(sDate))>

should be

<cfset iWeeks = datediff(ww,listLast(sDate,'-'),listFirst(sDate,'-'))>

If the data is stored as "07/23/2006-07/20/2006"

This is because both ListFirst and ListLast will be looking for a comma as a delim, and when it doesn't find one, will assume it's just a one item list.

 

by: adonis1976Posted on 2006-07-24 at 07:37:55ID: 17168108

yep sir.. agree with you.. i was asleep when I wrote that code..

 

by: moyedokunPosted on 2006-07-26 at 20:21:35ID: 17189930

I get an error.  It is telling me that ww is undefined.

 

by: tim_csPosted on 2006-07-27 at 01:43:48ID: 17190916

Just need to put the ww between quotes

datediff("ww",   etc...

 

by: dgrafxPosted on 2006-08-01 at 09:58:33ID: 17225702

20120131-EE-VQP-002

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