fs file separator 中文意思是什麼
fs file separator
解釋
文件分隔符-
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還有" do . while "循環,它在代碼塊結尾處對條件求值,而不象標準while循環那樣在開始處求值。它類似於其它語言中的" repeat . until "循環。
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