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Re: st: macro & file name


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   Re: st: macro & file name
Date   Fri, 3 Oct 2008 18:47:27 +0200

Also see: http://www.stata-journal.com/article.html?article=pr0042

HTH
Martin
_______________________
----- Original Message ----- From: "Eva Poen" <eva.poen@gmail.com>
To: <statalist@hsphsun2.harvard.edu>
Sent: Friday, October 03, 2008 6:45 PM
Subject: Re: st: macro & file name



Just use a forward slash in front of the local macro, and lose the
quotes in between:

"c:\union_pop\orig/`file'"

The backslash acts as escape character in Stata. You only need to
worry about it if it's directly followed by a macro.


Eva



2008/10/3 Caleb Southworth <caleb@uoregon.edu>:
I misunderstand something about the way locals are identified. The below
program crashes when I try to -use- the filename in `r(files)'. If I take
out the path name and change into that directory, then the program runs. How
can I make this work with the path name? What is the proper way to use a
local that is appended to another string, such as the path? Thanks!

. fs c:\union_pop\orig\gifford*.dta
gifford_2000.dta

. foreach file in `r(files)'{
2. use "c:\union_pop\orig\""`file'", clear
3. ds _*
4. foreach var of varlist `r(varlist)'{
5. bysort id: assert `var'==. if `var'[_n+1]!=.
6. }
7. }
invalid '"gifford_2000.dta'
r(198);

end of do-file

r(198);


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