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Some methods for lower scores in vimgolf

Insert-Normal mode

While in insert mode, <C-o> enters normal mode for one keystroke, then jumps back into insert mode

Saves one keystroke per use

<C-o>{change}

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Macros

• Macros lets us record keystrokes in a register and then play them back
• The . command is a "micro-macro" because it automatically records the last change
• The macro feature is more dynamic, letting us record many changes and movements in one go.

Basic commands

. " Repeat last change

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#!/usr/bin/env bash

url=https://www.gnu.org/licenses/gpl-3.0.txt
curl -s $url | vim -

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Registers are used to store bits of text for reuse by inserting or playing as macros

There are 26 named registers (each letter of alphabet) in addition to special case registers

Commands that store text in registers

x  " Delete char to default register
d  " Delete to default register
s  " Substitute to default register

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Vim window commands

Open new windows

<C-w>s       " Split window horizontal - new window is current buffer
<C-w>b       " Split window vertical - new window is current buffer
:sp {file}   " Split window horizontal - new window is {file}
:vsp {file}  " Split window vertical - new window is {file}