aquatower | 30 March,2009 14:02
(1)man 輸出文字檔
#man 指令|col -b > filename.txt
ex: sed指令輸出到文字檔
#man sed|col -b >sed.txt
(2)awk
#awk '{pattern}' filename
ex: 印出第三欄資料
#netstat -a|awk '{print $3}'
(3)sed
#sed 'pattern' filename
ex:
(1)將1到4列刪除
#sed '1,4d' filename
(2)含有la的列刪除
#sed '/la/d' filename
(3)正規表示式{含有3個數字刪除}
#sed '/[0-9]\{3\}/d' filename
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(4)含有la的列印出{-n 是抑制預設秀出全部的動作}
#sed -n '/la/p' filename
(5)取代la換成qoo
#sed -n 's/la/qoo/p' filename
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