Vim search for a pattern and if occurs delete to end of line

Question

I am trying to search a text file for a certain pattern. If this pattern occurs then it means that the rest of the line is not needed and therefore can be deleted.

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Answer 1

Alternatively, the following also works

:g/{pattern}/normal nd$

For what you want, I would go with mirod's suggestion. What I posted is a bit more flexible and might come in handy in similar situations.

Explanation:

On each line, where pattern matches, execute the following normal mode commands 'nd$'. With the cursor at the start of the line, 'n' jumps to the pattern, and 'd$' deletes to the end of the line.