tcl7.6 User Commands - incr






NAME

     incr - Increment the value of a variable


SYNOPSIS

     incr varName ?increment?





DESCRIPTION

     Increments the value stored in the variable  whose  name  is
     varName.   The value of the variable must be an integer.  If
     increment is supplied then  its  value  (which  must  be  an
     integer)  is added to the value of variable varName;  other-
     wise 1 is added to varName.  The new value is  stored  as  a
     decimal  string  in  variable  varName  and also returned as
     result.



KEYWORDS

     add, increment, variable, value