print lines matching a pattern 将符合样式的该行列出
Lines matching 纹线匹配
feature lines matching 特征线匹配
fast straight lines matching 直线边缘快速匹配
This will cause sed to delete any matching lines.
这将导致sed删除任何匹配的行。
C — Suppress normal output; instead, print a count of matching lines for each input file.
c——屏蔽正常输出;相反,打印每个输入文件的匹配行数。
Given that both weigh in at about the same number of lines of code, where is the value of using pattern matching?
考虑到相同的代码量,使用模式匹配的价值体现在哪里?
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