+1

.gitignore

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··· 1 1 + /target

+269

Cargo.lock

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+14

Cargo.toml

reviewed

··· 1 1 + [package] 2 2 + name = "dollysay" 3 3 + version = "0.1.0" 4 4 + edition = "2024" 5 5 + description = "A cloned sheep speaks. cowsay for Tangled." 6 6 + license = "MIT" 7 7 + repository = "https://tangled.org/paeth.xyz/dollysay" 8 8 + readme = "README.md" 9 9 + 10 10 + [dependencies] 11 11 + clap = { version = "4", features = ["derive"] } 12 12 + textwrap = "0.16" 13 13 + terminal_size = "0.4" 14 14 + unicode-width = "0.2"

+7

LICENSE

reviewed

··· 1 1 + Copyright 2026 paeth.xyz 2 2 + 3 3 + Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 4 4 + 5 5 + The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. 6 6 + 7 7 + THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

+49

README.md

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··· 1 1 + # dollysay 2 2 + 3 3 + A cloned sheep speaks. Inspired by cowsay, made for [Tangled](https://tangled.org). 4 4 + 5 5 + ``` 6 6 + __________________________ 7 7 + < I push, therefore I baa. > 8 8 + -------------------------- 9 9 + \ \ 10 10 + \ \ 11 11 + .~``~,,```-. .~``~,,```-. 12 12 + ( -~~- ) ( -~~- ) 13 13 + ( // OO \\ ) ( // OO \\ ) 14 14 + ( \__/ ) ( \__/ ) 15 15 + `~_.,~.__.~' `~_.,~.__.~' 16 16 + ``` 17 17 + 18 18 + ## Install 19 19 + 20 20 + You'll need a Rust toolchain. Install via [rustup](https://rustup.rs) if you don't have one. 21 21 + 22 22 + ```sh 23 23 + git clone <repo-url> dollysay 24 24 + cd dollysay 25 25 + cargo install --path . 26 26 + ``` 27 27 + 28 28 + That builds in release mode and installs the `dollysay` binary into `~/.cargo/bin/`, which rustup already puts on your `$PATH`. 29 29 + 30 30 + ## Use 31 31 + 32 32 + ```sh 33 33 + dollysay hello # speak a message 34 34 + echo "baa" | dollysay # read from stdin 35 35 + dollysay --clone "we are many" # two Dollys, one bubble 36 36 + dollysay --tip # hear what Dolly has to say 37 37 + ``` 38 38 + 39 39 + Run `dollysay --help` for the full flag list. 40 40 + 41 41 + ## Uninstall 42 42 + 43 43 + ```sh 44 44 + cargo uninstall dollysay 45 45 + ``` 46 46 + 47 47 + ## TODO 48 48 + 49 49 + - Add Dolly moods!

+7

dolly.txt

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··· 1 1 + \ 2 2 + \ 3 3 + .~``~,,```. 4 4 + ( -~~- ) 5 5 + ( // OO \\ ) 6 6 + ( \__/ ) 7 7 + `~_.,~.__.~'

+7

dollys.txt

reviewed

··· 1 1 + \ \ 2 2 + \ \ 3 3 + .~``~,,```-. .~``~,,```-. 4 4 + ( -~~- ) ( -~~- ) 5 5 + ( // OO \\ ) ( // OO \\ ) 6 6 + ( \__/ ) ( \__/ ) 7 7 + `~_.,~.__.~' `~_.,~.__.~'

+79

src/bubble.rs

reviewed

··· 1 1 + use unicode_width::UnicodeWidthStr; 2 2 + 3 3 + // Builds the speech bubble (without trailing newline) and returns 4 4 + // it as one String. 5 5 + pub fn render(text: &str, max_width: usize, min_width: usize) -> String { 6 6 + let wrapped_text: Vec<String> = textwrap::wrap(text, max_width) 7 7 + .into_iter() 8 8 + .map(|cow| cow.into_owned()) 9 9 + .collect(); 10 10 + 11 11 + // TODO: Better handle long min widths when cloning Dolly. Fragile here. 12 12 + // inner width of bubble should be widest line, but never wider than 13 13 + // max_width and never narrower than min_width. 14 14 + let inner = wrapped_text 15 15 + .iter() 16 16 + // Crucial library win 17 17 + .map(|l| UnicodeWidthStr::width(l.as_str())) 18 18 + .max() 19 19 + .unwrap_or(0) 20 20 + .max(min_width.min(max_width)); 21 21 + 22 22 + let mut out = String::new(); 23 23 + 24 24 + // Top border of bubble. 25 25 + out.push(' '); 26 26 + out.push_str(&"_".repeat(inner + 2)); 27 27 + out.push('\n'); 28 28 + 29 29 + if wrapped_text.len() == 1 { 30 30 + // Single-line: 31 31 + // _______________________ 32 32 + // < this is a single line > 33 33 + // ----------------------- 34 34 + push_bubble_line(&mut out, &wrapped_text[0], inner, '<', '>'); 35 35 + } else { 36 36 + // Multi-line: 37 37 + // ___________________________________________________________ 38 38 + // / this is a multi line text that will require rounding the \ 39 39 + // | speech bubble corners. since it is more than two lines it | 40 40 + // \ will need to be extended with walls. / 41 41 + // ----------------------------------------------------------- 42 42 + let last = wrapped_text.len() - 1; 43 43 + for (i, line) in wrapped_text.iter().enumerate() { 44 44 + let (l, r) = if i == 0 { 45 45 + ('/', '\\') 46 46 + } else if i == last { 47 47 + ('\\', '/') 48 48 + } else { 49 49 + ('|', '|') 50 50 + }; 51 51 + push_bubble_line(&mut out, line, inner, l, r); 52 52 + } 53 53 + } 54 54 + 55 55 + // Bottom border of bubble. 56 56 + out.push(' '); 57 57 + out.push_str(&"-".repeat(inner + 2)); 58 58 + 59 59 + out 60 60 + } 61 61 + 62 62 + // Writes one bubble row: 63 63 + // left corner, " text... <spce padding>", right corner, newline. 64 64 + fn push_bubble_line(out: &mut String, line: &str, inner: usize, left: char, right: char) { 65 65 + out.push(left); 66 66 + out.push(' '); 67 67 + 68 68 + out.push_str(line); 69 69 + 70 70 + let pad = inner - UnicodeWidthStr::width(line); 71 71 + for _ in 0..pad { 72 72 + out.push(' '); 73 73 + } 74 74 + 75 75 + out.push(' '); 76 76 + out.push(right); 77 77 + 78 78 + out.push('\n'); 79 79 + }

+125

src/main.rs

reviewed

··· 1 1 + mod bubble; 2 2 + 3 3 + use std::io::{self, BufWriter, IsTerminal, Read, Write}; 4 4 + use std::process::ExitCode; 5 5 + use std::time::{SystemTime, UNIX_EPOCH}; 6 6 + 7 7 + use clap::Parser; 8 8 + use terminal_size::{Width, terminal_size}; 9 9 + 10 10 + const DOLLY: &str = include_str!("../dolly.txt"); 11 11 + const DOLLYS: &str = include_str!("../dollys.txt"); 12 12 + const MIN_BUBBLE_SIZE: usize = 20; 13 13 + const MAX_BUBBLE_SIZE: usize = 60; 14 14 + const MIN_CLONE_INNER: usize = 22; 15 15 + 16 16 + const TIPS: &[&str] = &[ 17 17 + "I push, therefore I baa.", 18 18 + "Identity portable. Repos plural. Wool eternal.", 19 19 + ]; 20 20 + 21 21 + #[derive(Parser, Debug)] 22 22 + #[command( 23 23 + name = "dollysay", 24 24 + version, // use the version from Cargo.toml 25 25 + about = "A cloned sheep speaks. Inspired by cowsay, made for Tangled.org." 26 26 + )] 27 27 + struct Cli { 28 28 + /// The message. If absent, dollysay reads from stdin. 29 29 + #[arg(trailing_var_arg = true)] 30 30 + message: Vec<String>, 31 31 + 32 32 + /// Clone Dolly. 33 33 + #[arg(long)] 34 34 + clone: bool, 35 35 + 36 36 + /// Have Dolly share a random Tangled tip. 37 37 + #[arg(long)] 38 38 + tip: bool, 39 39 + } 40 40 + 41 41 + fn main() -> ExitCode { 42 42 + let cli = Cli::parse(); 43 43 + 44 44 + let message = match resolve_message(&cli) { 45 45 + Ok(m) => m, 46 46 + Err(e) => { 47 47 + eprintln!("dollysay: {e}"); 48 48 + return ExitCode::FAILURE; 49 49 + } 50 50 + }; 51 51 + 52 52 + let min_inner = if cli.clone { MIN_CLONE_INNER } else { 0 }; 53 53 + let bubble: String = bubble::render(&message, message_width(), min_inner); 54 54 + 55 55 + // Lock stdout and use BufWriter to group writes to one syscall only. 56 56 + let stdout = io::stdout(); 57 57 + let mut out = BufWriter::new(stdout.lock()); 58 58 + 59 59 + let art = if cli.clone { DOLLYS } else { DOLLY }; 60 60 + 61 61 + let _ = writeln!(out, "{bubble}"); 62 62 + let _ = out.write_all(art.as_bytes()); 63 63 + 64 64 + match out.flush() { 65 65 + Ok(()) => ExitCode::SUCCESS, 66 66 + Err(e) if e.kind() == io::ErrorKind::BrokenPipe => ExitCode::SUCCESS, 67 67 + Err(e) => { 68 68 + eprintln!("dollysay: {e}"); 69 69 + ExitCode::FAILURE 70 70 + } 71 71 + } 72 72 + } 73 73 + 74 74 + // Finds where the message text comes from: positional args or piped stdin, 75 75 + // or falls back to default string. 76 76 + fn resolve_message(cli: &Cli) -> io::Result<String> { 77 77 + // --tip wins over positional/stdin: the user is explicitly asking for one. 78 78 + if cli.tip { 79 79 + return Ok(random_tip().to_string()); 80 80 + } 81 81 + 82 82 + // positional args 83 83 + if !cli.message.is_empty() { 84 84 + return Ok(cli.message.join(" ")); 85 85 + } 86 86 + 87 87 + // stdin 88 88 + let stdin = io::stdin(); 89 89 + 90 90 + // Two cases for is_terminal(): 91 91 + // true -- user is just running `dollysay` with no args, so stdin is connected to the TTY. 92 92 + if stdin.is_terminal() { 93 93 + return Ok("Baa!".to_string()); 94 94 + } 95 95 + 96 96 + // false -- something is piped in to stdin (`echo baa | dollysay`). 97 97 + let mut buf = String::new(); 98 98 + stdin.lock().read_to_string(&mut buf)?; 99 99 + // The piping adds a trailing \n; trim it. 100 100 + Ok(buf.trim_end().to_string()) 101 101 + } 102 102 + 103 103 + // Picks a tip pseudo-randomly. Uses the system clock as the seed source so we 104 104 + // don't pull in `rand`. 105 105 + fn random_tip() -> &'static str { 106 106 + if TIPS.is_empty() { 107 107 + return "Baa!"; 108 108 + } 109 109 + let nanos = SystemTime::now() 110 110 + .duration_since(UNIX_EPOCH) 111 111 + .map(|d| d.as_millis()) 112 112 + .unwrap_or(0); 113 113 + TIPS[(nanos as usize) % TIPS.len()] 114 114 + } 115 115 + 116 116 + // Computes the wrap width for the message inside the bubble. 117 117 + fn message_width() -> usize { 118 118 + let term: usize = terminal_size() 119 119 + .map(|(Width(w), _)| w as usize) 120 120 + .unwrap_or(80); // stdout is not TTY (e.g. pipe), default here 121 121 + 122 122 + // Subtract 4 columns for the bubble's left/right borders + a margin. 123 123 + term.saturating_sub(4) 124 124 + .clamp(MIN_BUBBLE_SIZE, MAX_BUBBLE_SIZE) 125 125 + }