With strptime you can specify the format:
Date.strptime("07.04.2010", "%d.%m.%Y")

On Apr 7, 2:13 pm, Adam <[email protected]> wrote:
> I'll jutr try (for now) to make the dates by spliting the string and
> extracting every part of it and making a new Date obj. from those
> parts
>
> On 7 Kwi, 04:53, Adam <[email protected]> wrote:
>
> > I've tried that too but stille get an argument error with invalid
> > date, i've log the dates an they look fine (the format's ok) ;/
> > Really hate this kind of errors
>
> > On 7 Kwi, 03:47, AMILIN Aurélien <[email protected]> wrote:
>
> > > Le 07/04/2010 12:41, Adam a crit :
>
> > > > sory for the long absence (holidays)
>
> > > > well the params[:to] is a date in this format 27.02.2010, but when i
> > > > try to log params[:to].to_date I get an error
> > > > NoMethodError( undefined method'[]' for nil:NilClass)
>
> > > > On 1 Kwi, 07:50, Colin Law <[email protected]> wrote:
>
> > > >> On 1 April 2010 15:36, Adam <[email protected]> wrote:
>
> > > >>> HI,
> > > >>> I have a pretty weird problems withdates.
> > > >>> my objective was to parse some text files and put them into a
> > > >>> database.
>
> > > >>> the lines of the file are divided with a | and some of the fields are
> > > >>> datesin this format dd.mm.yyyy
> > > >>> now in the parsing a get the system date to skip parsing elements in
> > > >>> the past
> > > >>> @date is the local date created with �...@date = Time.now.to_date
> > > >>> params[:to] is the string from the file with the date in above format
> > > >>> I did this with a simple
>
> > > >>> if params && ( params[:to].to_date   > @date ) # nie parsujemy starych
> > > >>> cennikow
> > > >>>      Price.create_or_update params
> > > >>> end
>
> > > >>> on my local enviroment everything works fine but on the remote host i
> > > >>> get an invalid date ArgumentError
>
> > > >> Catch the error in your code and log or display the params[:to] that
> > > >> is causing it.  Then you will likely see the problem.  It is risky to
> > > >> convert strings to date without checking validity and taking
> > > >> appropriate action anyway.
>
> > > >> Colin
>
> > > >>> ruby version on host
> > > >>> ruby 1.8.6 (2007-06-07 patchlevel 36) [i386-linux]
> > > >>> local
> > > >>> ruby 1.8.7 (2009-06-12 patchlevel 174) [i686-linux]
>
> > > >>> any ideas?
> > > >>> thanks in advance
>
> > > >>> --
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>
> > > Hi,
>
> > > Assuming params[:to] is a string like "31.12.2007"
> > > you should try :
>
> > > Date.parse(params[:to])
>
> > > --
> > > Aur lien AMILIN

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