yanhua365/read-head-line-of-big-file.sh

Created October 11, 2014 02:15

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读取大文件的前几行的命令

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read-head-line-of-big-file.sh

	#这样的速度快
	sed -n '10,20p' test.txt

	#用cat配合head或tail也可以，但大文件会内存溢出
	cat test.txt\|head -n 30

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