Awesome

swordfish-rs

Typing effect cli tool for screencasts and demos

1. 💬 Describe what you are doing
2. ⚡️ Run any terminal command and get their outputs to screen
3. 🤖 Reproducible steps - iterate on the screenplay file till perfection
4. 😎 Mimics real person behavior with realtime typing into terminal

Demo

Example screenplay.yaml file:

- !clear
# - !turbo {by: 3}
- !write {msec: 0, color: green, text:  "$ "}
- !write {msec: 20, text:    "i am going to list this dir"}
- !wait {msec: 1000}
- !erase {msec: 20, by_chars: xxxxxxxxxxxxxxxxxxxxxxxxxxx }
- !wait {msec: 1000}
- !write {msec: 20, text: ls}
- !wait {msec: 1000}
- !execute {line: ls -la}
- !wait {msec: 3000}
- !write {msec: 1000, color: green, text:  "$ "}
- !write {msec: 20, text: "bye, press any key..."}
- !pause

Running swordfish screenplay.yaml:

Quick start

1. Install:

cargo install swordfish-rs

Requires Rust on your machine, get it from https://rustup.rs

or download a binary

2. Create this getting started screenplay file as getting_started.yaml:

- !clear
- !prompt {color: green, text:  "$"}
- !write {msec: 20, text: "swordfish reads screenplay files, in yaml format"}
- !wait {msec: 2000}
- !erase {msec: 20, amount: 1000 }
- !wait {msec: 1000}
- !write {msec: 20, text: "it contains a list of commands, each command can have parameters that control it"}
- !wait {msec: 2000}
- !new_line
- !write {msec: 20, text: "that's it"}
- !new_line

3. Run swordfish

swordfish getting_started.yaml

Commands

The following commands are available, written with ! before the command name, for example !clear.

clear

Clear screen command.

erase

Erase characters to the left.

Use either amount or by_chars or both.

execute

Execute shell commands or other applications and show their output.

The output is presented, while the executed command itself will not show.

new_line

Simulate user's ENTER.

pause

Pause before next command and wait for user input (any key...)

prompt

Prompt specify a constant text that is shown after every execute and cis not affected by erase.

title

Sets the terminal window title.

turbo

Speed everything, useful when iterating over the screenplay.

wait

Pauses execution for the specified time, then contrinues.

write

Write text to the terminal.