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Re: st: Fwd: changing the format of the current date


From   Nick Cox <njcoxstata@gmail.com>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Fwd: changing the format of the current date
Date   Thu, 23 May 2013 03:23:56 +0100

In addition, as there are no spaces by construction,

save `date_string'_example, replace

is fine.

Nick
njcoxstata@gmail.com


On 23 May 2013 03:21, Nick Cox <njcoxstata@gmail.com> wrote:
> It's down to adding a little polish to a shiny ornament but the format
>
> %td_CCYY-NN-DD
>
> puts the hyphens in at the outset, making the -subinstr()- call unnecessary.
>
> Nick
> njcoxstata@gmail.com
>
>
> On 22 May 2013 22:57, Radwin, David <dradwin@rti.org> wrote:
>> Melanie,
>>
>> You need a colon in the first line instead of an equals sign and -trim-
>> in the second line to get rid of an unwanted leading space. Try this:
>>
>>
>> . local date: display %td_CCYY_NN_DD date(c(current_date), "DMY")
>>
>> . local date_string = subinstr(trim("`date'"), " " , "-", .)
>>
>> . save "`date_string'_example", replace
>>
>>
>> David
>> --
>> David Radwin
>> Senior Research Associate
>> Education Studies Division
>> RTI International
>> 2150 Shattuck Ave., Suite 800
>> Berkeley, CA 94704
>> Phone: 510-665-8274
>>
>> www.rti.org
>>
>> *Please note new contact information*
>>
>>
>>> -----Original Message-----
>>> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-
>>> statalist@hsphsun2.harvard.edu] On Behalf Of Melanie Leis
>>> Sent: Wednesday, May 22, 2013 2:34 PM
>>> To: statalist
>>> Subject: Re: st: Fwd: changing the format of the current date
>>>
>>> Thanks Bill and Nick, this is very helpful.
>>>
>>> Nevertheless, the reason I'd like to change the format on
>>> c(current_date) is to incorporate it into the name of a file.  What
>>> I've been doing is:
>>>
>>>      local c_date= c(current_date)
>>>      local date_string = subinstr("`c_date'", " " , "-", .)
>>>      save "`date_string'_example", replace
>>>
>>> Which yields a file name 22-May-2013_example
>>>
>>> I'd like a file name that is more like 2013_05_22_example
>>>
>>> Incorporating your suggestion I get:
>>>
>>>      local date= %td_CCYY_NN_DD date(c(current_date), "DMY")
>>>      local date_string = subinstr("`date'", " " , "-", .)
>>>      save "`date_string'_example", replace
>>>
>>> But after the first local macro I get an error that says
>>>
>>>      %td_CCYY_NN_DD invalid name
>>>
>>> Any suggestions on how I could fix this?
>>>
>>> Thank you so much!
>>>
>>> Melanie
>>>
>>> On Wed, May 22, 2013 at 1:10 PM, William Gould, StataCorp LP
>>> <wgould@stata.com> wrote:
>>> > Melanie Leis <melanieleis@gmail.com> wrote,
>>> >
>>> >> Is there a way to change the format of the automated date in
>>> >> c(current_date)?
>>> >>
>>> >> The automatic format is 22 May 2013
>>> >>
>>> >> I would like to get something that looks like 2013 05 22
>>> >
>>> >
>>> > There's already been one good answer.  Here's another,
>>> >
>>> >         . display %td_CCYY_NN_DD date(c(current_date), "DMY")
>>> >         2013 05 22
>>> >
>>> >
>>> > -- Bill
>>> > wgould@stata.com
>>
>>
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