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Re: st: RE: Arrays - unidentified number of elements


From   Karina Fortuny <palmirita_@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: Arrays - unidentified number of elements
Date   Mon, 10 Feb 2003 07:09:50 -0800 (PST)

oscmd dir /b *.dta - 

When I run the program - oscmd, no results appear in
the Results window. (If I type just dir /b *.dta, the
files are listed in the results window). A window
flashes for a second and disappears. The OS is
Windows. 
Thanks!


--- Nick Cox <n.j.cox@durham.ac.uk> wrote:
> Karina Fortuny
> > 
> > folder.
> > I can define an array:
> > 
> > local array "file1 file2 file3 .... fileN"
> > and loop through the elements.
> > 
> > But I do not want to type all the names (if there
> are
> > 50 or so; it's possible to make typos, and it's
> > difficult to audit).
> > 
> > Is it possible to define the array without listing
> the
> > elements if the number of elements is known? Is it
> > possible if the number is not known?
> > 
> > I'm currently using STATA 7, but might be
> upgrading to
> > STATA 8.
> 
> Here there is 
> 
> 1. a general question about what I will call lists
> -- 
> the term "arrays" doesn't have a fixed meaning in
> Stata, 
> so far as I know; perhaps there is some sense
> carried 
> over here from use of Some Alternative Software
> which 
> I don't know or use 
> 
> 2. a particular question about handling 
> lists of files in a folder. 
> 
> 1. There are lots of tricks to handling lists, 
> even in Stata 7. In Stata 8, there are even more.
> In either case, too many to list in an email.  
> 
> 2. Let me focus instead on files in a folder. 
> 
> What OS are you using? I guess Windows. 
> 
> Here is one idiosyncratic way to do this. I have
> a little program, which we may call "oscmd". 
> 
> program def oscmd 
>         version 7
>         tempfile file 
>         ! `0' > `file' 
>         type `"`file'"' 
> end     
> 
> How does this work? At what Windows XP calls 
> the command prompt I can go 
> 
> dir /b *.dta 
> 
> to get a bare list of *.dta files in the 
> current directory. But don't fire that up: stay 
> in Stata. Install -oscmd- and type in Stata 
> 
> oscmd dir /b *.dta
> 
> and a list of filenames will appear 
> in your results window. Now copy and paste
> to the do file editor. 
>  
> > "The soul unfolds itself like a lotus of countess
> petals." 
> > - Kahlil Gibran
> 
> Shouldn't it be "countless"? 
> 
> Nick 
> n.j.cox@durham.ac.uk 
> *
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> *  
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=====
"The soul unfolds itself like a lotus of countless petals." - Kahlil Gibran

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