Bash Scripting

    --This is the Bash section--
    # Used to check if a PROGRAM is installed
    if ! command -v PROGRAM 2>&1 >/dev/null 
    then
        echo "PROGRAM could not be found or is not installed "
        exit 1
    fi
    ##

    # Send command output to NULL aka no output
    2>&1 >/dev/null # at the end of command
    
    # Bash if statements | can be nested
    if [ condition ]; then
        command
    else
        command
    fi
    ##
    
    # Bash if directory exists
    if [ -d /path/to/directory ]; then
        echo "Directory exists."
    else
        echo "Directory doesn't exist."
    fi
    ##
    
    # Bash if directory doesnt exist
    if [ ! -d /path/to/directory ]; then
        echo "Directory doesn't exist."
    else
        echo "Directory exists."
    fi
    # More info available at https://linuxsimply.com/bash-scripting-tutorial/conditional-statements/if/check-if-directory-exists/
    
    # Call one script from another
            #!/usr/bin/env sh

            # This just exists
            echo "This is test 1"

            # Figures out where the hell you are
            SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )

            # Executes 2nd script
            source $SCRIPT_DIR/test2.sh
    ## NEXT ##

Vim/Nvim

    --This is the Vin/Nvim section--
    # Create file in vim :Ex (vim file explorer) | might be useable elsewhere
    :!touch FILENAME
    
    # File explorer
    :Ex

    # Edit between

    ci' - change inside the single quotes
    ci" - change inside the single quotes
    ciw - change inside a word
    ci( - change inside parentheses

    # Command effects all lines
    :%
    
    # Copy to clipboard
    :y+

    # These can be combined | :%y+ = yank all to clipboard

    # Add new line after pattern or symbol ( In this case its } )
    :%s/}/\0\r/g
    
    # TonyBanters repo for nvim binds
    https://github.com/tonybanters/Nvim
    ## NEXT ##

Fish Shell

    --This is the Fish Shell section--
    # Change theme using .theme file
    fish_config theme save "THEMENAME"
    ## NEXT ## 

Nix/Nixos

    --This is the Nix/Nixos section--
    # Nix overrides for custom package source
    environment.systemPackages  = [
      (pkgs.emacs.overrideAttrs (oldAttrs: {
        name = "emacs-25.0-pre";
        src = /path/to/my/emacs/tree;
      }))
    ];
    # This allows for custom packages versions | There should be way to have it pull from github for source

    # Make Nix override global | any programs that depend on package will use custom instead
    # From https://nlewo.github.io/nixos-manual-sphinx/configuration/customizing-packages.xml.html 

    ## Copy below for gnome with gdm and less bloat

    # GDM ( need for gnome lock screen
    displayManager.gdm = {
     enable = true;
     wayland = true;
    };

    # Desktop Manager (contains desktop enviorments)
    desktopManager = {

    # Gnome with fixed scaling 
    gnome = {
      enable = true;
      extraGSettingsOverridePackages = [ pkgs.mutter ];
      extraGSettingsOverrides = ''
        [org.gnome.mutter]
        experimental-features=['scale-monitor-framebuffer']
      '';
    };
   };

   ## Put near end of nix conf preferably
   # Gnome
   environment.gnome.excludePackages = with pkgs; [
    orca
    # evince
    # file-roller
    geary
    # gnome-disk-utility
    # gnomeExtensions
    # adwaita-icon-theme
    # nixos-background-info
    # gnome-backgrounds
    # gnome-bluetooth
    # gnome-color-manager
    # gnome-control-center
    # gnomeExtensions
    gnome-tour # GNOME Shell detects the .desktop file on first log-in.
    gnome-user-docs
    # baobab
    epiphany
    # gnome-text-editor
    gnome-calculator
    gnome-calendar
    gnome-characters
    gnome-clocks
    # gnome-console
    gnome-contacts
    # gnome-font-viewer
    # gnome-logs
    gnome-maps
    gnome-music
    # gnome-system-monitor
    gnome-weather
    # loupe
    # nautilus
    gnome-connections
    simple-scan
    snapshot
    totem
    yelp
    gnome-software
  ];

  # My extensions and extras

  # Gnome Extras
  gnome-tweaks   
  gnome-extension-manager
  gnome-software # For flatpaks
  gradience # Gnome adwaita theming
  alacarte
  nautilus-open-any-terminal
  lm_sensors # For freon
        # Gnome extensions 
        gnomeExtensions.desktop-cube
        gnomeExtensions.logo-menu
        gnomeExtensions.dash-to-dock
        gnomeExtensions.compiz-windows-effect
        gnomeExtensions.compiz-alike-magic-lamp-effect
        gnomeExtensions.extension-list
        gnomeExtensions.blur-my-shell
        gnomeExtensions.freon
        gnomeExtensions.impatience
        gnomeExtensions.just-perfection
        gnomeExtensions.media-controls
        gnomeExtensions.top-bar-organizer
        gnomeExtensions.appindicator
        gnomeExtensions.user-avatar-in-quick-settings


  ## END OF GNOME ##

  ## Same shit above but for xfce ##

  # Xfce
  environment.xfce.excludePackages = with pkgs.xfce; [
    mousepad
    parole
    ristretto
    xfce4-appfinder
    ## xfce4-notifyd
    ## xfce4-screenshooter
    ## xfce4-session
    ## xfce4-settings
    xfce4-taskmanager
    xfce4-terminal 
    thunar
  ];