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Linux秘笈25.Linux的Cut命令

三月 18th, 2009 Posted in Hacks, 软件架构

Cut command can be used to display only specific columns from a text file or
other command outputs.
Following are some of the examples.
Display the 1st field (employee name) from a colon delimited file

?View Code BASH
  $ cut -d: -f 1 names.txt
  Emma Thomas
  Alex Jason
  Madison Randy
  Sanjay Gupta
  Nisha Singh

Display 1st and 3rd field from a colon delimited file

?View Code BASH
  $ cut -d: -f 1,3 names.txt
  Emma Thomas:Marketing
  Alex Jason:Sales
  Madison Randy:Product Development
  Sanjay Gupta:Support
  Nisha Singh:Sales

Display only the first 8 characters of every line in a file

?View Code BASH
  $ cut -c 1-8 names.txt
  Emma Tho
  Alex Jas
  Madison
  Sanjay G
  Nisha Si

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This entry was posted on 星期三, 三月 18th, 2009 at 10:00 上午 and is filed under Hacks, 软件架构. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

2 Responses to “Linux秘笈25.Linux的Cut命令”

  1. deepblue Says:

    三月 21st, 2009 at 4:28 下午

    先展示一下names.txt文件的内容，可能会更清楚一些


  2. jcai Says:

    三月 21st, 2009 at 10:54 下午

    呵呵，的确是


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