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test1('A1',,'A3','A4'); test1('B1','','B3','B4'); ... my @argrest = @_; print "arg1=$arg1, arg2=$arg2, argrest=@argrest\n\n"; }
args=A1,A3,A4 arg1=A1, arg2=A3, argrest=A4 args=B1,,B3,B4 arg1=B1, arg2=, argrest=B3 B4