How To Undo A Delete Operation In Vim?

2025-05-30 03:56:59 231

4 回答

Angela
Angela
2025-05-31 20:54:25
My Vim workflow changed completely when I mastered undoing. Simple 'u' undoes last action while 'U' fixes entire lines. But the magic happens with undo trees - every branching edit path is preserved. After undoing, making new changes creates a branch. I visualize it like a timeline where I can jump between versions using ':undo N' where N is the change number from ':undolist'.

The real pro tip is setting 'set undodir=~/.vim/undodir' and 'set undofile' in .vimrc. This maintains your undo history forever, even after closing files. Combined with version control, I never fear deletions anymore - every edit becomes reversible days later.
Parker
Parker
2025-06-01 14:57:01
When I first started with Vim, nothing terrified me more than accidentally deleting lines. The basic 'u' command became my best friend - it reverses your last action. But I soon learned Vim's undo system goes much deeper. Ctrl-r redoes changes you've undone, creating a back-and-forth flow. What blew my mind was discovering Vim maintains separate undo histories for each file in your session.

For heavy editing sessions, I use ':earlier 5m' to return to the state from five minutes ago. Persistent undo requires setting 'undofile' in your .vimrc - this saves your undo history between sessions. The true power comes when combining undos with Vim's incredible movement commands, letting me precisely rewind specific edits without losing subsequent work.
Paisley
Paisley
2025-06-04 10:22:17
recovering from accidental deletions is second nature. If you just deleted something, pressing 'u' will undo the last change. Vim keeps a full history of changes, so you can keep pressing 'u' to go further back.

For more complex cases, Vim's undo branches are lifesavers. After undoing with 'u', if you make new changes, Vim creates an alternate timeline. Use ':undolist' to view branches and ':undo N' to jump to a specific change. I always recommend ':w' frequently so your undo history persists between sessions.

The '.~' swap files are another safety net. If Vim crashes, reopen the file and it will prompt to recover. For permanent deletions, I keep backups using version control like Git. Learning ':help undo' deeply transformed how I use Vim - it's not just about fixing mistakes but navigating edit histories.
Keira
Keira
2025-06-05 23:18:42
Vim's undo system is surprisingly robust. The basic 'u' command undoes your last edit, while Ctrl-r redoes it. What many don't know is that Vim stores your entire edit history. ':undolist' shows all undoable changes with numbers - ':undo 3' jumps directly to that state. Persistent undo requires enabling 'undofile' in your vimrc. I also recommend ':w' often since undo history only saves when the file does.
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How To Use Vim Json-Formatter For Quick Formatting?

4 回答2025-11-09 11:37:33
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Vim json-formatter has completely changed the way I handle JSON in my coding projects. First off, the instant formatting it offers is a game-changer. When you're deep into a project, and the JSON structure gets messy, this tool helps tidy everything up in seconds. There's something satisfying about seeing aligned braces and neatly spaced values—it keeps the focus on the logic, rather than the clutter. Working on collaborative projects has been immensely easier, too; the clean code improves readability, helping my teammates grasp the data structures without confusion. Another benefit is how seamlessly it integrates with Vim. It feels like a natural extension of the editor rather than a clunky add-on. I can format my JSON right in the same environment where I'm writing my code. Plus, I can install it with minimal fuss. Just a few commands, and I've customized my Vim setup to suit my workflow perfectly. Lastly, I appreciate the learning curve it encourages. Using the json-formatter regularly has improved my understanding of JSON syntax and structures. I’ve caught myself checking for formatting errors manually before hitting save, which is a good habit to have in preparing data. All in all, it’s an invaluable tool in my toolkit!

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Where To Find Tutorials For Vim Json-Formatter?

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Is Vim Jamaica Avenue Based On A True Story?

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