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Linux: Comparing two files in Linux

If you need to compare two text files in Linux, try the following command:

comm -23 <(sort OLDFILE) < (sort NEWFILE > OUTPUTFILE

Options Explained:

-1     suppress lines unique to OLDFILE

-2     suppress lines unique to NEWFILE

-3     suppress lines that appear in both files

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About Me

Senior Software Engineer professional with over 16 years of success with multiple open source technologies and various Content Management platforms and solutions.

Proven technical abilities through numerous projects involving enterprise web application design and development, application installation, configuration and support, and workflow and collaboration system designs.

  • Ability to learn new technologies and platforms quickly and apply them to the task at hand.
  • Excellent analytical skills, and strong communication and collaboration abilities.
  • Technical emphasis in including but not limited to Java, Ruby on Rails, Documentum and Alfresco
    in both Linux and Windows based environments

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