DAM> Thanks. I have 9 logo.mec(s) and using 1 mex file to 
 DAM> select 1 of them. Will it work, if I add your mex with 
 DAM> my mex file? How to call 1 mex from another mex, 
 DAM> specially to execute called mex before the caller mex?
I don't know how you'd do that.  I'm not a MEX programmer at all.  I got that 
file from someone else.  You should try asking in the MECCA echo.
Robby
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