最後更新: 2022-03-21
介紹
pattern scanning and processing language
目錄
- test.txt 的內容
- Basic Usage
- filter
- 多行 program
- Run program(-f)
- Call by filter
- awk as script
- Print starting from column
- BEGIN & END
- 選擇某幾行(FNR)
- Column Select($N)
- 設定Column的分隔符號 (FS)
- filter 的 OR 與 AND
-
if ... else ...
Ternary operator ( ?:; ) - Feild Number (NF)
- 移除空行
- Maths: + - * / == != < > >= <= ~ !~
- Assign Variable & Call Variable
- 特別的 Variable
- String Functions
- printf
- Casting
- Associative Arrays
- 應用例子
- 多 Filter
- Capturing Groups
- awk - system()