How do I get the last non-empty line of a file using tail in Bash?

Posted by debugger on Stack Overflow See other posts from Stack Overflow or by debugger
Published on 2010-04-14T15:52:08Z Indexed on 2010/04/14 16:03 UTC
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tail

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bash

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last

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line

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empty

How do I get the last non-empty line using tail under Bash shell?

For example, my_file.txt looks like this:

hello
hola
bonjour
(empty line)
(empty line)

Obviously, if I do tail -n 1 my_file.txt I will get an empty line. In my case I want to get bonjour. How do I do that?

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