请教一个变量长度的问题（Base)

shiyiming

三个变量 address (长32）city (长15) zip(长5）
源文件如下：

65 elm drive.....................raleigh.........27612
11 sun drive.....................durham.......27612
712 hartwick street...........chapel hill.....27514

问题：
1，newaddress=trim(address);
   newaddress的length是多少？是32吗？还是12？

   note:newaddress is a new created variable and no length specification before this assignment statement.

2，newaddress=trim(address)||','||trim(city)||','||zip;
   还是问newaddress的length是多少？

多谢！