字段分隔符 field delimiter; field separation character; fs field separator 分类 1.(使分别归类) classify; itemize; sort 根据起因将事故分类 classify accidents by cause; .
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Note that -f is the input field separator defined by the predefined variable FS.
注意- F是由预先定义的FS变量所定义的输入域分隔符。
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.
在该脚本中，(通过设置FS变量)在代码中指定字段分隔符，而前一示例通过在命令行向awk传递- F “： ”选项来设置FS。
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