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     unshift(ARRAY,LIST)

             Does the opposite of a shift.  Or the opposite of  a
             push,  depending  on  how  you look at it.  Prepends
             list to the front of  the  array,  and  returns  the
             number of elements in the new array.

                  unshift(ARGV, '-e') unless $ARGV[0] =~ /^-/;