How do I get rid of identical lines in Vim?

How do I get rid of identical lines in Vim?

14 Answers

1. This is so beautiful.
2. If sorting is unacceptable, use :%!uniq to simply remove duplicate entries without sorting the file. –
3. once you use the command the whole file changes?
4. Just use Vim’s undo command: u – adampasz Aug 11 ’19 at 0:23.

How do I search for duplicate lines in a file?

Find unique lines

1. The file must be sorted first. sort file | uniq -u will output to console for you. – ma77c.
2. I think the reason sort file | uniq shows all the values 1 time is because it immediately prints the line it encounters the first time, and for the subsequent encounters, it just skips them. – Reeshabh Ranjan.

How do I delete one word in Vim?

To delete a word, position the cursor at the beginning of the word and type dw . The word and the space it occupied are removed. To delete part of a word, position the cursor on the word to the right of the part to be saved. Type dw to delete the rest of the word.

How to delete the second line in Vim?

The first “q” starts the recording. The second “q” doesn’t have to be “q”. It can be any register letter, I just use “q” because it’s convenient. Press j to go to the second line, then 1 2 9 d d to delete all the duplicates. Then press q to stop recording the macro. Now you’ve taught vim how to do the operation once, and stored it in the q macro.

How to remove duplicate rows in a Vim file?

It searches for any line immediately followed by one or more copies of itself, and replaces it with a single copy. Make a copy of your file though before you try it. It’s untested. awk ‘!x [$0]++’ yourfile.txt if you want to preserve the order (i.e., sorting is not acceptable). In order to invoke it from vim, :! can be used.

How to delete selected text in the vi editor?

You can use visual selection, where you press V to start a visual block, move the cursor to the other end, and press d to delete (or any other editing command, such as y to copy).