present

tool for viewing presentations written in markdown like format

slides are written in text friendly format and follow all standard markdown rules with some additions

main purpose of application is:

• view presentation in browsers
• have option to run code directly from presentation
  • support for any language, no sandbox, "run on your machine principle"

Installation

Use the following command to download and install this tool:

go install github.com/oktalz/present@latest

Binaries

prebuilt binaries can be found on releases page

Running

• enter examples folder, type present
  • program should read all files and start web server on port 8080 (default)
    • port can be customized (see present.env file)
• run go run . -d /path/to/files
• run go run . -g github.com/oktalz/present -d examples/go1.23
  • for gitlab.com and github.com project url is detected, for others use full path -g https://github.com/oktalz/present.git
  • this will download repository, enter directory (if specified) and start server

Arguments

• list of all arguments can be seen with present --help

NAME
  present

FLAGS
  -v, --version                 show version
  -h, --host STRING             address that present will listen on (default: 127.0.0.1)
  -p, --port INT                port that present will listen on (default: 8080)
  -t, --tag                     show tag
  -c, --compress STRING         compress current folder
  -f, --file STRING             file to open (.tar.gz format)
  -g, --git STRING              git repository URL
      --key STRING              ssh key used for git clone auth
  -d, --dir STRING              directory to open
      --help                    help
      --admin-pwd STRING        admin password
      --user-pwd STRING         user password
      --admin-pwd-disable       disable admin password
      --menu STRING             keys that opens menu
      --next-page STRING        keys that go to next page
      --previous-page STRING    keys that go to previous page
      --terminal-cast STRING    keys that run commands
      --terminal-close STRING   keys that closes terminal
      --latest                  update to latest version if go is installed

Sharing presentations

• enter presentation folder
• type present -c - present.tar.gz will be created
• send file
  • user can start presentation with present -f present.tar.gz
  • user can unpack file, enter folder and execute present

Browser paths

when presentation is opened in browser few paths exists:

• / -> show presentation in selected aspect ratio
• /print -> presentation without forced aspect ratio (use for printing)
• /login -> path to log in admin credentials

Customizations & security

• present will watch for three files:
  • present.env in active directory (this will not override already existing ENV values)
  • .env in active directory (this will override already existing ENV values)
  • present.env in user HOME directory (this will override already existing ENV values)
• .env file or corresponding variables can be used to customize behavior

  ADMIN_PWD=AdminPassword123
  USER_PWD=user
  ASK_USERNAME=false
  PORT=8080
  NEXT_PAGE=ArrowRight,ArrowDown,PageDown,Space,e
  PREVIOUS_PAGE=ArrowLeft,ArrowUp,PageUp
  TERMINAL_CAST=r,b
  TERMINAL_CLOSE=c
  MENU=m

• if ADMIN_PWD is set, only users authorized with that password can execute the code
  • if ADMIN_PWD is not provided, it will be generated and written on console
    • with ADMIN_PWD_DISABLE=true you can remove need for admin password
  • admin password can be entered on /login url (for example http://localhost:8080/login)
• if USER_PWD is set, all 'users' will need to enter password to see the presentation
• rest are pretty self explanatory (also in examples are defaults for all options)

IDE - syntax highlighter & code snippets

• syntax highlighting is both available for VS Code and VSCodium

  • Visual Studio Code Marketplace

  • Open VSX Marketplace

Examples

• please see (and run) examples in examples folder

• simple styling

• display code that is editable and runnable