Calendar events

i want a simply get the amount of days inbetween a range of dates. IE:
1/25 - 2/3 is 8 days difference.

My initial approach the the problem was to create a huge variable setup:

jan = 31 #31 = days in january
feb = 28
mar = 31
apr = 30

im sure thers a better and cleaner way, any ideas on how to approach
this?

Thanks

My initial approach the the problem was to create a huge
Thanks

Posted via http://www.ruby-forum.com/.

There are standard libraries for this:

irb(main):001:0> require ‘date’
=> true
irb(main):002:0> puts “February 2nd 2007 and January 25th 2007 are
#{Date.new(2007, 2, 3) - Date.new(2007, 1, 25)} days apart”
February 2nd 2007 and January 25th 2007 are 9 days apart
=> nil
irb(main):003:0>

If you subtract a date object from a date object, the result is “how
many
days later the current date is than x.”

HTH,

Felix

Felix W. wrote:

My initial approach the the problem was to create a huge

If you subtract a date object from a date object, the result is “how
many
days later the current date is than x.”

HTH,

Felix

Perfect. Thanks a ton!

just another quick question…if i wanted to put a string into a date
format such as the following:

res = []
array = [“2/14/2005”,83,35,23]
res << array.grep(/2/\14/\2005/)

so now res has “2/14/2005” in it…how would i turn that into a –

specdate = Date.new(2, 24, 2005)

so i need 2/14/2005 turned into a date object, preferably not having to
use the format of Date.new(year,day,month) …id prefer to have it in
the format of month,day,year if possible :slight_smile:

much thanks!

use the format of Date.new(year,day,month) …id prefer to have it in
the format of month,day,year if possible :slight_smile:

much thanks!

Posted via http://www.ruby-forum.com/.

Once you have a string containing the date separated by slashes, you can
split the string on separators to parse the date parts into variables,
and
then use those to construct the date object.

irb(main):001:0> month, day, year = “2/14/2005”.split("/").collect{|i|
Integer(i)}
=> [2, 14, 2005]
irb(main):002:0>

t = Time.parse ‘9/1/2007’

On Sep 1, 2007, at 9:55 PM, “Felix W.” [email protected]

On Sep 1, 2007, at 8:55 PM, Felix W. wrote:

use the format of Date.new(year,day,month) …id prefer to have it in
variables, and
then use those to construct the date object.

irb(main):001:0> month, day, year = “2/14/2005”.split("/").collect{|i|
Integer(i)}
=> [2, 14, 2005]
irb(main):002:0>

You can go straight into the Date object:

require “date”
=> false

date = Date.strptime(“2/14/2005”, “%m/%d/%Y”)
=> #<Date: 4906831/2,0,2299161>

date.to_s
=> “2005-02-14”

James Edward G. II

From: Michael L. [mailto:[email protected]]

res = []

array = [“2/14/2005”,83,35,23]

res << array.grep(/2/\14/\2005/)

so now res has “2/14/2005” in it…how would i turn that into a –

specdate = Date.new(2, 24, 2005)

so i need 2/14/2005 turned into a date object, preferably not

having to use the format of Date.new(year,day,month)

…id prefer to have it in

the format of month,day,year if possible :slight_smile:

hmmm, you already have that copy in array. why not put a date object
right into res. one you have the date obj, you can format it anyway you
like

eg,

irb(main):019:0> res=[]
=> []
irb(main):020:0> array = [“2/14/2005”,83,35,23]
=> [“2/14/2005”, 83, 35, 23]
irb(main):025:0> res << Date.strptime(array.first, “%m/%d/%Y”)
=> [#<Date: 4906831/2,0,2299161>]

now res contains a date object
it’s now a date object, so you format it w your hearts content…

irb(main):031:0> res[0].strftime("%m-%d-%y")
=> “02-14-05”
irb(main):032:0> res[0].strftime("%m/%d/%y")
=> “02/14/05”
irb(main):039:0> res[0].strftime("%m/%d/%Y")
=> “02/14/2005”
irb(main):040:0> res[0].strftime("%m:%d:%Y")
=> “02:14:2005”
irb(main):041:0> res[0].strftime("%m %d %Y")
=> “02 14 2005”
irb(main):042:0> res[0].strftime("<%m> <%d> <%Y>")
=> “<02> <14> <2005>”
irb(main):043:0> res[0].strftime(“Month: %m\nDay: %d\nYear: %Y\n”)
=> “Month: 02\nDay: 14\nYear: 2005\n”
irb(main):044:0> puts res[0].strftime(“Month: %m\nDay: %d\nYear: %Y\n”)
Month: 02
Day: 14
Year: 2005
=> nil

kind regards -botp

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