File: isdef.cat

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scilab 2.6-4
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isdef            Scilab Group            Scilab Function              isdef
NAME
   isdef - check variable  existence
  
CALLING SEQUENCE
 isdef(name [,where])
PARAMETERS
 name : a character string
      
 where
       : an optional character string with default value 'all'
      
DESCRIPTION
   isdef(name) returns %T if the variable 'var-name' exists  and %F
  otherwise.  isdef(name,'local') returns %T if the variable 'var-name'
  exists  in the   local environment of the current function and %F
  otherwise.  
  
EXAMPLE
 A=1;
 isdef('A')
 clear A
 isdef('A')
SEE ALSO
   exists, whereis, type, typeof, clear