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if fn friend $moved:
   set msg join join $moved #codename " is friend";
   echo #msg;
elseif fn enemy $moved:
   set msg join join $moved #codename " is enemy ";
   echo #msg;
else:
   set msg join join join $moved #codename " is not friend or foe " $moved;
   echo #msg;
endif;

I need advice on programming.  I have a piece that is .rf,  it appears to me the function friend / enemy is not working.  That function friend is using isupper or islower.  I am guessing that the Period in .rf prevents the function friend to determine if it islower.   

Any suggestions how I can add .rf to the function friend?