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Re: st: Use of subinword in Stata 13 vs. Stata 12
From
Robert Picard <[email protected]>
To
[email protected]
Subject
Re: st: Use of subinword in Stata 13 vs. Stata 12
Date
Fri, 19 Jul 2013 12:33:50 -0400
One more thing, if you are trying to remove a variable name from a
local macro that contains a list of variables, it would be better to
use extended macro functions for lists (-help macrolists-).
local vlist var1 var2 var3
local generate var2
local vless : list vlist - generate
On Fri, Jul 19, 2013 at 12:05 PM, Robert Picard <[email protected]> wrote:
> Looks like the behavior of subinword() has indeed changed in version
> 13. Since the local macro generate is an empty string, you are asking
> to look for a non-existent token and replace it with a space. In other
> words:
>
> local vlist = "var1 var2 var3"
> di subinword("`vlist'",""," ",.)
>
> In version 12 and before, Stata displays an empty string. In version
> 13, Stata displays "var1 var2 var3". It does not make sense that a
> missing token matches every word in vlist so I think that the new
> behavior in version 13 makes more sense.
>
> Robert
>
>
> On Fri, Jul 19, 2013 at 11:20 AM, Dirk Enzmann
> <[email protected]> wrote:
>> Most likely I am suffering from temporary blindness, but I can't see my
>> mistake:
>>
>> When trying to use -subinword()-, I get different results in Stata 13 as
>> compared to Stata 12 (or 11, or 10). Example:
>>
>> * --- Start Stata commands: ---------------
>>
>> local vlist = "trunk"
>> local generate = ""
>> di subinword("`vlist'","`generate'"," ",.)
>>
>> * --- End Stata commands. -----------------
>>
>> Using version 13 the -display- command in the third line shows
>>
>> trunk
>>
>> (which I expect), whereas version 12 (or 11 or 10) shows
>>
>>
>>
>> nothing. Why does the replacement of the occurance of "" in "trunk" yields
>> ""? And why does version 13 yield "trunk"?
>>
>> Dirk
>>
>>
>> ========================================
>> Dr. Dirk Enzmann
>> Institute of Criminal Sciences
>> Dept. of Criminology
>> Rothenbaumchaussee 33
>> D-20148 Hamburg
>> Germany
>>
>> phone: +49-(0)40-42838.7498 (office)
>> +49-(0)40-42838.4591 (Mrs Billon)
>> fax: +49-(0)40-42838.2344
>> email: [email protected]
>> http://www2.jura.uni-hamburg.de/instkrim/kriminologie/Mitarbeiter/Enzmann/Enzmann.html
>> ========================================
>> *
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