TASK: Add initial state
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44
lorem-ipsum.md
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44
lorem-ipsum.md
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque accumsan
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maximus nibh, commodo pellentesque sapien congue sed. Cras suscipit urna sed
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nisl maximus, vitae dignissim lectus interdum. In non consectetur libero.
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Maecenas at quam sed est luctus varius. Aenean rutrum, nibh eget malesuada
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imperdiet, mauris felis gravida orci, vitae tincidunt dolor nunc sit amet
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tortor. Vestibulum eget rhoncus arcu, ut interdum nulla. Phasellus quis lacus eu
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purus scelerisque faucibus. In hac habitasse platea dictumst. Nullam efficitur
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ex a tortor semper sagittis. Suspendisse potenti. Suspendisse vel auctor enim.
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Sed sed pretium augue, ac commodo nunc. Sed malesuada enim est, non congue velit
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gravida id.
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Duis suscipit consequat leo, et hendrerit arcu consectetur vel. Maecenas congue
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porta finibus. Etiam in maximus enim. Curabitur ac dapibus felis, commodo
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facilisis lorem. Aliquam urna ante, imperdiet non ipsum non, feugiat ornare
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magna. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere
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cubilia Curae; Sed vestibulum dolor erat, in posuere ipsum ultricies non.
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Suspendisse potenti. Maecenas laoreet tincidunt elementum.
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Mauris eros ligula, volutpat non mollis non, mattis ornare quam. Donec et semper
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mauris. Suspendisse dictum tortor ut massa tristique, ut sagittis elit
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fermentum. Mauris pellentesque at diam at accumsan. Duis hendrerit tempor
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sapien, quis faucibus libero sagittis ut. Sed vitae arcu nisi. Nulla ac nibh
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diam. Suspendisse eget massa euismod, congue lorem a, fringilla nibh. Orci
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varius natoque penatibus et magnis dis parturient montes, nascetur ridiculus
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mus. Nullam at quam non diam viverra ultrices ut ac nisi. Sed vel dapibus enim.
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Mauris rutrum et libero sit amet fermentum. Pellentesque at nulla bibendum,
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vulputate quam ac, laoreet turpis. Maecenas varius facilisis diam.
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Nam laoreet eros ac orci consequat condimentum. Maecenas dictum felis eget massa
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imperdiet tempus. Proin viverra id erat in sagittis. Suspendisse id luctus
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neque. Pellentesque posuere massa vel ex ultricies fermentum. Donec semper
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sapien sed nunc porta congue. Aliquam elementum tortor non elit interdum, at
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sagittis mi feugiat. Nunc ultricies nisl velit, eget mollis nulla pulvinar ac.
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Nam consectetur magna in odio tempus porta. Class aptent taciti sociosqu ad
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litora torquent per conubia nostra, per inceptos himenaeos.
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Integer ut dapibus ante, eget suscipit enim. Proin bibendum ligula quis
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malesuada malesuada. Aliquam hendrerit imperdiet lorem, in condimentum tellus
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varius nec. Donec mattis leo pharetra, vehicula orci vel, tristique ligula.
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Donec lacinia tincidunt viverra. Etiam imperdiet eu odio laoreet facilisis.
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Suspendisse non consectetur lacus, vel aliquam mi. Sed eu condimentum eros.
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Pellentesque dolor nunc, tempor eget gravida nec, mollis vitae mi. Curabitur non
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eleifend sem. Mauris vestibulum libero a nulla hendrerit gravida. Ut at sem
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ullamcorper, fringilla erat et, fermentum ante. Fusce a scelerisque velit.
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53
lorem-ipsum.php
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53
lorem-ipsum.php
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<?php
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namespace Codappix\ExamplePackage\ExampleNamespace;
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/*
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* Copyright (C) 2018 Daniel Siepmann <coding@daniel-siepmann.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* Some comment explaining this class.
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*/
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class LoremIpsum extends AnotherClass
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{
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/**
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* @var string
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*/
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protected $arg1 = '';
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/**
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* @var array
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*/
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protected $arg2 = [];
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public function __construct(string $arg1, array $arg2 = [])
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{
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$this->arg1 = $arg1;
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$this->arg2 = $arg2;
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}
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public function getSum(): int
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{
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if ($this->arg1 === '+') {
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return 1 + 2;
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}
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return 1 - 2;
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}
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}
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43
lorem-ipsum2.php
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43
lorem-ipsum2.php
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<?php
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namespace Codappix\ExamplePackage\ExampleNamespace;
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/*
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* Copyright (C) 2018 Daniel Siepmann <coding@daniel-siepmann.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* Some comment explaining this class.
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*/
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class LoremIpsum2 extends AnotherClass
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{
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/**
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* @var LoremIpsum
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*/
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protected $loremIpsum;
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public function __construct(LoremIpsum $loremIpsum)
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{
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$this->loremIpsum = $loremIpsum;
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}
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public function getSum(): int
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{
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return $this->loremIpsum->getSum();
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}
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}
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208
readme.rst
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208
readme.rst
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Vim introduction workshop
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=========================
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Welcome
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-------
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First things first, how to start and *quit* Vim.
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To start Vim, just type `vim` into the terminal.
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To exit Vim, try `CTRL+C` like for nearly all CLIs. Vim will display a help message
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in the bottom left with instructions how to quit Vim:
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Type :qa! and press <Enter> to abandon all changes and exit Vim
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So lets type in `:qa!` to quit Vim again.
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Settings
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--------
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By default Vim comes with no useful settings. Most developers like line numbers which
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can be turned on by typing `:set number`.
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Run `vim lorem-ipsum.md` and type `:set number` to activate line numbers.
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If you quit Vim and re open the file, line numbers are gun. Settings adjusted within
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a session are not persisted. We get back to that later.
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The concepts
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------------
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We now have the basics, let's learn some basic concepts.
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Vim is a mode editor. Most editors are mode less.
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What is a mode?
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NORMAL
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^^^^^^
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This is the default mode when you start Vim. If you open a file, e.g. `vim lorem-ipsum.md`
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keys are used to navigate in this file. E.g. use `h`, `j`, `k` and `l` to move the
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cursor around.
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TASK: Navigate a bit within `lorem-ipsum.md`.
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Press `ESC` from any mode to come back to the `NORMAL` mode.
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VISUAL
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^^^^^^
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Sometimes you want to highlight something, e.g. for a presentation or to interact
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with the highlighted parts.
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You can enter different Visual Modes, e.g.
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`v`
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Will start `VISUAL` mode where you can highlight stuff using the same keys as in
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`NORMAL` Mode.
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TASK: Highlight line 19.
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`V`
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`VISUAL LINE` to highlight lines, useful for presentations.
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TASK: Highlight line 19.
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`CTRL+v`
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`VISUAL BLOCK` to highlight blocks, useful for tables.
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TASK: Highlight column 2.
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INSERT
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^^^^^^
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Insert some text, keys will be passed through as insertions.
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Enter the `INSERT` mode by one of the following keys:
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`a`
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Append behind the cursor
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`i`
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Insert at the cursor
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`A`
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Append at the end if line
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`I`
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Insert at beginning of the line
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TASK: Insert todays date at the end of the file.
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REPLACE
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^^^^^^^
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Replace some text, keys will be passed through as replacements.
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`r`
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Replaces a single character.
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`R`
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Switches to `REPLACE` mode.
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TASK: Replace last line with todays date.
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COMMAND
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^^^^^^^
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Executes commands within Vim, e.g. adjust settings or quit.
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`:`
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Inserts the command mode. The cursor will be set to the command line.
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The command mode has auto completion, just press `TAB`.
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TASK: Activate line numbers, quit Vim.
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And there are more Modes.
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Better movement
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---------------
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So far we now that we can move around in `NORMAL` mode with `h`, `j`, `k` and `l`.
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There are more keys to move around. E.g.:
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`G`
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Go to end of file.
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`gg`
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Go to beginning of file.
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Most movements can be prefixed with a count, that's called Vim Grammar. So to move to
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Line x type `xG`.
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TASK: Highlight Line 19 by jumping to Line 19.
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Most of the time we are not working with text documents but source code. So how to
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move efficiently within source code? We will explain the help, to allow you to figure
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out yourself.
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Help
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----
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Vim has a huuuuge documentation on board. This can be accessed via `:help`.
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The help consists of a guide, reference, topics and plugins.
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Code navigation Part 1
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----------------------
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Let's check out `:help object-motions` to get further movements.
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TASK: `vim lorem-ipsum.php` and navigate to the 2nd method via `]]`
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Code navigation Part 2 Plugins
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------------------------------
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There are a bunch of plugins and even some plugin manager to choose from.
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To navigate within Code I use CTRLP and Tagbar in combination with Universal Ctags.
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* TASK: Check out the benefits, run `nvim lorem-ipsum.php` and type in `,r`.
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* TASK: Check out the benefits, run `nvim lorem-ipsum.php` and type in `,b`.
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Code navigation Part 3 Go to definition
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---------------------------------------
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Vim provides support for tags out of the box. Using `CTRL+]` we can jump to the
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definition of something.
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TASK: Run `vim lorem-ipsum2.php` to to the constructor and run `CTRL+]` on
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`LoremUpsum` type hint.
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Efficient editing
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-----------------
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We now know some basics to move within source code. What about editing?
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Let's change the content of an PHP if condition to just false.
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TASK: Change content of if condition within `lorem-ipsum.php` within the `getSum`
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method.
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Vim provides operators within the `NORMAL` mode. These can be copy, delete, change,
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uppercase. In our case we want to change the condition = `c`. Following Vim Grammar,
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this can be combined with either a count as prefix, or a motion as suffix.
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In our case we want to change text within `()` as this is the condition in PHP. We
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can achieve this by typing `ci(` within the braces.
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What's next?
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------------
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That were some basics. What is most important to you? What would you miss when using
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Vim? Let's provide some guidance to make you more productive within Vim in your daily
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work.
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References
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----------
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* https://daniel-siepmann.de/Posts/Migrated/2015-10-10-vim-linklist.html
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* https://vimawesome.com/plugin/ctrlp-vim-red
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* https://vimawesome.com/plugin/tagbar
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* https://ctags.io/
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