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Re: st: re:shell


From   "Neil Shephard" <mdeasnds@fs1.ser.man.ac.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: re:shell
Date   Mon, 09 May 2005 11:21:58 +0100

> Correct, I was not trying do-file code, in which (interactive) case /*
> means naught. But this DOES work in do-file code;
> 
> -- start do file --
> cd /applications/stata/ado/base
> local c = c(alpha)
> 
> foreach w of local c {
>  local arg "`w'/*.ado"
>  di "`arg'"
>  ls `arg'
>      }
> -- end do file --
> 
> Quoting the expression containing the forward slash protects it from
> being interpreted as a comment, and it will work in a shell command.
> 

I can confirm that quoting protects the forward slash from being interpreted as a 
comment, but for some reason Stata8.2 (born 10 Jan 2005) under GNU/Linux then fails 
to interpret the directory path correclty....

. do /home/heil/tmp/test/test

. local slash "/"

. forval x = 1/1{
  2.   !ls /home/neil/tmp/test`slash'*.*
  3.   !ls ~/tmp/test`slash'*.*
  4.   !ls "/home/neil/tmp/test/*.*"
  5.   !ls "~/tmp/test/*.*"
  6. }

/home/neil/tmp/test/test.do
/home/neil/tmp/test/test.do~

/home/neil/tmp/test/test.do
/home/neil/tmp/test/test.do~

ls: /home/neil/tmp/test/*.*: No such file or directory

ls: ~/tmp/test/*.*: No such file or directory

. 
end of do-file

...which I find a bit strange?

Neil

Neil Shephard
Genetics Statistician
ARC Epidemiology Unit, University of Manchester
neil.shephard@man.ac.uk
nshephard@gmail.com

"If your result needs a statistician then you should design a better experiment" - 
Ernest Rutherford

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