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Useful sed

Created by dave. Last edited by dave, 332 days ago. Viewed 460 times. #2
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(2019-01-17)

Print line X from a text file

$ sed 'LINEq;d' FILE

Delete line X in a text file

$ sed -i LINEd FILE

...for example, .ssh/known_hosts:

$ sed -i 672d ~/.ssh/known_hosts

For some reason, ssh-keygen -R doesn't always work for me. But the sed command does.

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This is a collection of techical information, much of it learned the hard way. Consider it a lab book or a /info directory. I doubt much of it will be of use to anyone else.

Useful:


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