st: macro & file name

[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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