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Re: st: mutually exclusive options within a program
From
Marco Savegnago <[email protected]>
To
[email protected]
Subject
Re: st: mutually exclusive options within a program
Date
Wed, 19 Feb 2014 12:20:25 +0100
It worked!
Thank you very much!
Marco
2014-02-19 11:54 GMT+01:00 Nick Cox <[email protected]>:
> This can be answered quickly.
>
> Make your options take string arguments, but don't tell the user that.
> So, your first level of checking is whether both options were
> specified:
>
> if "`alpha'" != "" & "`beta'" != "" {
> <terminate>
> }
>
> Your second level of checking is for appropriate numeric input.
>
> Nick
> [email protected]
>
>
> On 19 February 2014 10:36, Marco Savegnago <[email protected]> wrote:
>> Dear statalist,
>>
>> I'm writing a program which has to accept only one of two possible
>> options (say either alpha or beta in the code below, each one with a
>> default value):
>>
>>
>> syntax [, alpha(integer 5) beta(integer 10)]
>>
>>
>>
>> I need Stata to return an error code whenever these two options are
>> invoked together.
>>
>> How can I achieve this?
>>
>> Thanks for your consideration,
>>
>> Marco Savegnago
>> *
>> * For searches and help try:
>> * http://www.stata.com/help.cgi?search
>> * http://www.stata.com/support/faqs/resources/statalist-faq/
>> * http://www.ats.ucla.edu/stat/stata/
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/faqs/resources/statalist-faq/
> * http://www.ats.ucla.edu/stat/stata/
*
* For searches and help try:
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* http://www.ats.ucla.edu/stat/stata/