Intersection of Two Files

February 4, 2009 – 12:10 am

To find the lines which occur in each of two files, ie if you have the following two files:

File1:
line1
line2
line3
line4
line5

File2:
line4
line5
line6
line7

and want a command which will return:

line4
line5

Use:

grep -f File1 File2

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  1. 2 Responses to “Intersection of Two Files”

  2. Hi,
    This is a (probable) correction in the “Bash Shortcuts Quick Reference” page. Since I couldn’t find any place other than this to communicate to you, I’m posting this here.

    The page lists Alt-] x as moving to next occurrence of x, while Ctrl-] seems to be the correct one.

    Thanks for the very useful quick reference.

    Regards,
    Sundar.

    By Sundar on Aug 25, 2009

  3. Thank you, well spotted. I’ve corrected that now.

    By mike on Sep 21, 2009

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