Jan 03 2008

笔记笔记。。

Category: 技术ssmax @ 11:27:07

1.BOSS清单文件file,其中计费号码是在记录的第8-18位,现在想看这个清单文件究竟含有多少个不同的号码,可以用什么命令?

cut -c8-18 filename | sort | uniq | wc -l

记录一下alin的问题。。。

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