big file storage

bleak/crates/mdbook-wordcount/Cargo.toml

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+[package]
+name = "mdbook-wordcount"
+version = "1.0.2"
+edition = "2021"
+description = "A word-count renderer for mdBook, rebuilt against mdbook 0.5"
+license = "MIT"
+
+[[bin]]
+name = "mdbook-wordcount"
+path = "src/main.rs"
+
+[dependencies]
+mdbook-renderer = "0.5"

bleak/crates/mdbook-wordcount/src/main.rs

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+// mdbook-wordcount, rebuilt against mdbook 0.5.
+//
+// Iterates every chapter, counts whitespace-separated words, and prints
+// per-chapter counts plus a grand total to stdout.
+//
+// The only reason this exists separately is that the crates.io release is
+// compiled against mdbook 0.4, whose RenderContext JSON schema differs from
+// 0.5 ("missing field `sections`"). See rust-lang.github.io/mdBook backends.
+
+use mdbook_renderer::book::{BookItem, Chapter};
+use mdbook_renderer::RenderContext;
+use std::io;
+
+fn main() {
+    let mut stdin = io::stdin();
+    let ctx = RenderContext::from_json(&mut stdin).expect("couldn't parse RenderContext");
+
+    println!("\n----------");
+    println!("Word Count");
+
+    let mut total = 0;
+    for item in ctx.book.iter() {
+        if let BookItem::Chapter(ref ch) = *item {
+            let words = count_words(ch);
+            total += words;
+            println!("{}: {}", ch.name, words);
+        }
+    }
+
+    println!("Total: {}", total);
+    println!("----------");
+}
+
+fn count_words(ch: &Chapter) -> usize {
+    ch.content.split_whitespace().count()
+}