Posts

Showing posts with the label vim

Changing the Default Terminal to Terminator on Ubuntu

-
Image
Terminator is a powerful tool for developers, allowing you to manage multiple terminal sessions in a single window. Features like splitting panes, tabs, and simultaneous input can significantly boost your productivity. Step 1: Install Terminator First, install Terminator using the apt package manager. sudo apt update sudo apt install terminator -y The -y option automatically answers 'yes' to any prompts during the installation process, streamlining the setup. Step 2: Set as the System Default Ubuntu uses a utility called update-alternatives to manage default applications. We'll use this tool to change the default terminal emulator ( x-terminal-emulator ) to Terminator. Run the Configuration Command Enter the following command in your terminal. A list of available terminals will appear. sudo update-alternatives --config x-terminal-emulator Select Terminator From the resulting list, enter the selection number corresponding to terminator and press Enter. ...
Post a Comment
Read more

Setting Up a Modern Vim 9.x IDE on Ubuntu or Linux

-
Image
This guide walks you through the process of transforming the terminal on a new Ubuntu or Linux server into a powerful, IDE-like environment. We will accomplish this by installing the latest Vim 9.x, setting up a plugin manager, and configuring essential plugins for a modern development workflow. Step 1: Create Vim Directories First, let's create the directories where Vim's settings will be stored. These folders will hold backup files, swap files, and a persistent undo history, which helps keep your project folders clean and improves data safety. # Pre-create directories for Vim settings mkdir -p ~/.vim/undodir ~/.vim/backupdir ~/.vim/swapdir Step 2: Prepare the .vimrc File Next, create Vim's configuration file, ~/.vimrc . Copy the content below and paste it into your ~/.vimrc file. This configuration includes a list of plugins, key mappings, UI settings, and more. # Save the following content as your ~/.vimrc file. " === Plugin Manager: vim-plug === ...
Post a Comment
Location: Calgary, AB, Canada
Read more

How to get rid of ^M from a text file on Linux or Unix

-
Image
When you transfer text files from Windows to Linux or Unix systems, you often see ' ^M' characters at the end of lines. This happens because Windows and Linux/Unix handle line breaks differently—Windows uses CR+LF ( \r\n ) , while Linux/Unix just uses LF ( \n ) . In this guide, we’ll look at a few simple ways to remove these characters and explain how each method works. $ cat -v HelloWorld.java public class HelloWorld^M {^M public static void main(String[] args) {^M System.out.println("Hello World!");^M }^M }^M Using the dos2unix command The dos2unix command is a simple and widely used method. $ dos2unix filename Using vi/vim editor In Vi/Vim, You can directly search for and remove the ' ^M' character. The command above searches for ' ^M' at the end of each line throughout the entire file and removes it. To input '^M', push Ctrl down and then press v and n consecutively. Vim on Linux: 'Ctrl + v + m' Gvim ...
Post a Comment
Location: Calgary, AB, Canada
Read more

Use jq to Format JSON in gVim on Windows (Prettify & Minify)

-
Image
jq is a powerful command-line tool for processing and formatting JSON data. While there's no official Windows version available anymore, you can still use jq on Windows with an unofficial executable. Step 1: Download the jq Executable Visit the following GitHub release page and download the 64-bit version (jq-win64.exe): https://github.com/jqlang/jq/releases/tag/jq-1.6 Rename from jq-win64.exe to jq.exe and move it to your Vim folder like "C:\Program Files\Vim\vim91" Step 2: Add to System Path Open: Control Panel → System → Advanced system settings → Environment Variables Under “System Variables”, find and select Path, then click “Edit”. Add the following path: C:\Program Files\Vim\vim91 Step 3: Test jq in Terminal Open Command Prompt or PowerShell and run: PS C:\Users\jason> jq --version You should see: jq-1.6 Step 4: Use jq Inside Vim/GVim In Vim/GVim, format the current file using: :%!jq . This sends the whole file through jq and repla...
Post a Comment
Location: Calgary, AB, Canada
Read more

Setting Up Vim with vim-plug on Ubuntu

-
This walkthrough will guide you through setting up Vim with vim-plug, a minimalist Vim plugin manager, on your Ubuntu system. This setup will enhance your Vim experience with useful plugins and configurations. Step 1:  Create Necessary Directories First, we'll create the necessary directories for backups, swap files, and undo history.   $ mkdir -p ~/.vim/backup ~/.vim/swap ~/.vim/undo Step 2: Install vim-plug download the plug.vim script from the vim-plug GitHub repository and save it to the ~/.vim/autoload/ directory.   $ curl -fLo ~/.vim/autoload/plug.vim --create-dirs \     https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim Step 3: Configure .vimrc Copy the following settings into the ~/.vimrc file in your Linux (Ubuntu) user account   " Basic settings     set hlsearch " Highlight search results   set nu " Show line numbers   set autoindent " Enable automatic indentation   set scrolloff = 2   set ...
Post a Comment
Read more

Setting Up gVim (_vimrc) on Windows

-
Step 1: Install Vim First, make sure you have Vim installed on your Windows machine. Step 2: Install Pathogen Pathogen is a Vim plugin manager that simplifies the process of installing and managing plugins. To install Pathogen on Windows, follow these steps: PowerShell 7.4.2 PS C:\Users\jason> New-Item -ItemType Directory -Force -Path $HOME\vimfiles\autoload, $HOME\vimfiles\bundle Directory: C:\Users\jason\vimfiles Mode LastWriteTime Length Name ---- ------------- ------ ---- d---- 2024-06-02 9:47 PM autoload d---- 2024-06-02 9:47 PM bundle PS C:\Users\jason> Invoke-WebRequest -Uri https://tpo.pe/pathogen.vim -OutFile $HOME\vimfiles\autoload\pathogen.vim PS C:\Users\jason> cd $HOME\vimfiles\bundle PS C:\Users\jason\vimfiles\bundle> git clone https://github.com/flazz/vim-colorschemes.git Cloning into 'vim-colorschemes'... remote:...
Post a Comment
Read more

Regular expression to change the first letter of each line to uppercase

-
Regular Expression When you execute this command, it will change the first letter of every line in the file to uppercase, leaving the rest of the line unchanged. :%s/^\(.\)/\U\1/g Break down and explain This regular expression command breaks down as follows: Regular expression Description :%s Substitute command to find and replace text in the entire file. ^ Anchors the search to the beginning of each line. \(.\) Captures the first character of each line in a group (denoted by \(.\)). \U\1 Replaces the captured first character with its uppercase version (\U) and the backreference to the captured group (\1). g This flag stands for “global”. When it appears at the end of the command, it means that all occurrences of the pattern in each line should be replaced.
Post a Comment
Read more

Regular expression to remove HTML tags

-
Regular Expression When you use this regular expression ' [^>]* ' to find matches in a text, it will identify all HTML tags. To remove the HTML tags, you can replace the matches with an empty string, effectively eliminating the tags from the text. :%s/<[^>]*>//g Break down and explain This regular expression command breaks down as follows: Regular expression Description :%s Substitute command to find and replace text in the entire file. < This part matches the character < in the text. It looks for the beginning of an HTML tag. [^>]* The ^ symbol means "not" in this context. So, [^>] means "any character except >". The * symbol indicates "zero or more occurrences" of the previous pattern. Hence, [^>]* matches any number of characters that are not >. > This part matches the character > in the text. It looks for the end of an HTML tag. // This is the replacement empty string. g This 'g' signifies “global”...
Post a Comment
Read more