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Re: st: how to read very long text lines?


From   Phil Clayton <philclayton@internode.on.net>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: how to read very long text lines?
Date   Fri, 8 Mar 2013 17:58:17 +1100

What are you actually trying to achieve?
Phil

On 08/03/2013, at 5:56 PM, "Li Chuntao (Tony)" <leechtcn@gmail.com> wrote:

> Thank you, Ryan. But i am still lost with my file reading.
> 
> Tony
> 
> 
> On Fri, Mar 8, 2013 at 2:30 PM, Ryan Kessler
> <ryan.kessler.stata@gmail.com> wrote:
>> Hi Tony,
>> 
>> The key here is to steer clear of the "=" sign; see -help macro-,
>> -help limits-, and -help extended_fcn-.
>> 
>> local long ""
>> forval i=1/500 {
>>        local long "`long' `=`i'^2'"
>> }
>> di "`long'"
>> di length("`long'")
>> di "`: length local long'"
>> 
>> Related discussion -->
>> http://www.stata.com/statalist/archive/2011-09/msg00973.html
>> 
>> Best,
>> 
>> Ryan Kessler
>> 
>> On Thu, Mar 7, 2013 at 11:22 PM, Li Chuntao (Tony) <leechtcn@gmail.com> wrote:
>>> Dear Listers,
>>> 
>>>    I want to use Stata to read a text file line by line. Suppose the
>>> file is d:\temp.txt. one of the line i specially interested is very
>>> long, more than 1000 characters. I use the following code to read:
>>> 
>>> capture file close myread
>>> file open myread using d:\temp.txt , read text
>>> file readmyrea line
>>> while r(eof)==0 {
>>>  local linenum = `linenum' + 1
>>>  local myline=`" `macval(line)'"'
>>>  disp length(`"`macval(myline)'"')
>>>  file myrea hexun line
>>> 
>>> }
>>> file close hexun
>>> 
>>> It seems that the maximium length for a string here is only 240.
>>> 
>>> Is it possible to change it to longer?
>>> 
>>> thanks
>>> 
>>> Tony
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