| 1. | Tab character as the field separator and
（制表符）作为字段分隔符，使用 |
| 2. | The difference between these two methods has to do with how we set the field separator
这两个方法的差别在于如何设置字段分隔符。 |
| 3. | Specifies a set of fields and field separators , which is used to create a string to represent a contact item
指定一组区域及区域分隔符，用来创建代表通讯录记录的一个字串。 |
| 4. | A delimiter , a character that separates units of data in storage or transmission , ( “ a file separator ” , “ a field separator ” )
一种定界符,即在存储和传输中分隔数据单元的一种字符(文件分隔符、字段分隔符) 。 |
| 5. | It s generally best to set the field separator inside the script itself , simply because it means you have one less command line argument to remember to type
假设我们编写了一个脚本，它将地址列表转换成每个记录一行，且用tab定界的格式，以便导入电子表格。 |
| 6. | In this script , the field separator is specified within the code itself by setting the fs variable , while our previous example set fs by passing the - f " : " option to awk on the command line
如果想使输出的间隔翻倍，可以将ors设置成" n n " 。或者，如果想要用单个空格分隔记录（而不换行） ，将ors设置成" 。 |
| 7. | Because the begin block is evaluated before awk starts processing the input file , it s an excellent place to initialize the fs field separator variable , print a heading , or initialize other global variables that you ll reference later in the program
Awk还有" do . while "循环，它在代码块结尾处对条件求值，而不象标准while循环那样在开始处求值。它类似于其它语言中的" repeat . until "循环。 |
