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st: macro problem


From   Jeph Herrin <stata@spandrel.net>
To   statalist@hsphsun2.harvard.edu
Subject   st: macro problem
Date   Mon, 11 Jun 2012 11:50:36 -0400

This should be trivial, but for some reason I cannot get it.

I have a string variable, and I have a list of string values I need to match against it. There are occasional trailing or leading characters in the variable, so I am using -strpos- to find matches. Thus

  local matchlist "string 1" "string 2"  "string 3" .... "string 55"

  gen byte match=0
  foreach S in `matchlist' {
        replace match = 1 if strpos(strvar,`S')
  }

Now, I know I have got the quotes and macro evaluations wrong, but that is the problem: I've tried this many different ways, and yet cannot seem to find a combination that works. Any thoughts?

thanks,
Jeph
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