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@ -973,6 +973,8 @@ $ printf '%10s %5i %5i %5i %8.2f \n' $(cat printf.txt)
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## awk
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可以根据字段的某些条件进行匹配,例如匹配字段小于某个值的那一行数据。
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```html
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$ awk '条件类型 1 {动作 1} 条件类型 2 {动作 2} ...' filename
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```
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