First, you can only search for that exact string (what if instead of searching for the string "mux", you want to search for "mux", "mix", and "max" simultaneously?). You can use it to quickly search through your terminal.įor example, in the terminal, if you are looking for a text, you would press Cmd + f (or Ctrl + f) and type in the string that you want to search. The vi-copy-mode is not only useful for copying texts. If you are not familiar with this, I'd highly recommend you to read my first tmux article). I use an uppercase P instead of lowercase p because Prefix + p is how tmux goes to the previous window (recall: Prefix + p to go to the previous window and Prefix + n to go to the next window. Start highlight with v (similar to vim visual mode).Position yourself to the start of the text you want to copy with vim navigation.Add these lines in the tmux config:Īs always, don't forget to save and source the config file. Finally, you can paste the yanked text with p or P. Recall that vim has a visual mode ( v) that allows you to highlight a body of text. Let's modify them to mimic vim keybindings. I find a number of the copy-pasting keys unintuitive. Add setw -g mode-keys vi in your tmux config.Woot! Congratulations, you've copied a text with tmux - stress-free! To paste from the tmux buffer, press Ctrl + ]. It is an allocated space in the memory where tmux temporarily stores data. The text that you copied are stored inside a tmux buffer. You should automatically exit the copy mode. Once you highlight all the text you want to copy, press Enter. It will expand the highlight as you move around your cursor. Note that your cursor will highlight the letter under it. In this mode, you can move around the terminal like you move around vim. Check out inside man tmux and search for the mode-keys keyword. n / N to repeat the previous search forward / backward.Ctrl + y / u / b to scroll up a line / half screen / whole screen.Ctrl + e / d / f to scroll down a line / half screen / whole screen.to move backward / forward a paragraph.w / W / e / E / b / B to move forward to the start / to the end / backward a word or WORD.h / j / k / l to move left/down/up/right.With this, you can now move around using vim navigation keys.Īlthough tmux copy mode doesn't translate to 100% vim navigation keys - overall they are good enough to feel natural. You should be able to see a yellow visual indicator on the top right of your tmux window. If you are unsure about tmux config, check out my previous article on tmux config. To enable this copy mode, in you tmux config file, add:Įnter fullscreen mode Exit fullscreen mode The correct way to copy a text from tmux is to first switch to copy mode, then copy it, then paste it. If you try to copy a text from a tmux window with your mouse, you may have seen a warning saying that you can't simply copy the text. To navigate your terminal history and to copy text, you need to switch to tmux copy mode (technically it is vi-copy-mode, but to keep it simple, let's call it copy mode). If you need to insert texts, you need to switch to vim insert mode. Vim's normal mode is designed for moving (and to a certain extent, modifying) within your file. In Vim, we have a normal mode where you can move around with your keyboard. What that means is that to accomplish a specific task, you need to switch to a mode that's optimized for that task. One of them is that they are modal programs. In this article, I will show you how to utilize tmux copy mode to easily copy text. Copying with tmux is more like copying in Vim, where it's best done with a keyboard rather than a mouse. Having used text editing softwares like Microsoft Word / Google Docs and to some extent, Atom / VSCode / IntelliJ, it may feel natural to grab your mouse, highlight the body of texts, and press Ctrl + C. That's because it's now how tmux is designed. If you've used tmux for a while, you will realize that highlighting a text with a mouse in tmux to copy them is a painful experience.
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