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st: Strings and the greater than/less than operators


From   "sdm1" <[email protected]>
To   <[email protected]>
Subject   st: Strings and the greater than/less than operators
Date   Wed, 13 May 2009 17:21:05 +0100

Can the greater than (>) and less than (<) operators be applied to strings?

If the answer is 'yes' (as I thought), why is "N05" included in the output
for the following command? 

. tab code admimeth if (admimeth==31 | admimeth==32) & (code>"N05" &
code<"N13")

           |       admimeth
      code |        31         32 |     Total
-----------+----------------------+----------
      N05  |       103        163 |       266 
      N06  |    23,858        132 |    23,990 
      N07  |   364,687      2,653 |   367,340 
      N08  |     8,079         18 |     8,097 
      N09  |    70,953        132 |    71,085 
      N10  |    24,606         88 |    24,694 
      N11  |   123,635        256 |   123,891 
      N12  |   546,148     21,998 |   568,146 
-----------+----------------------+----------
     Total | 1,162,069     25,440 | 1,187,509 

Thanks.

Steve

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