Trim script and style elements

debug/diff/canonicalise

@@ -1,14 +1,18 @@
 #!/usr/bin/env bash
 
-set -Eeuo pipefail
+set -Eeo pipefail
 
 pushd "$(dirname "$0")" >/dev/null
 
 cargo build --manifest-path c14n/Cargo.toml --release
+cargo build --manifest-path charlines/Cargo.toml --release
 
 for f in outputs/*/*; do
-  src=$(cat "$f")
-  c14n/target/release/c14n <<< "$src" > "$f"
+  out=$(c14n/target/release/c14n < "$f")
+  if [[ "$CHARLINES" == "1" ]]; then
+    out=$(charlines/target/release/charlines <<< "$out")
+  fi
+  cat <<< "$out" > "$f"
 done
 
 popd >/dev/null

debug/diff/charlines/.gitignore

@@ -0,0 +1,2 @@
+/Cargo.lock
+/target/

debug/diff/charlines/Cargo.toml

@@ -0,0 +1,5 @@
+[package]
+publish = false
+name = "charlines"
+version = "0.0.1"
+edition = "2018"

debug/diff/charlines/README.md

@@ -0,0 +1,3 @@
+# charlines
+
+Output each character from stdin onto its own stdout line. Useful for subsequence diffing when text does not naturally have a lot of line breaks (e.g. minified HTML).

debug/diff/charlines/src/main.rs

@@ -0,0 +1,10 @@
+use std::io::{stdin, stdout, Read, Write};
+
+fn main() {
+    let mut src = Vec::new();
+    stdin().read_to_end(&mut src).unwrap();
+    let mut out = stdout();
+    for c in src {
+        out.write_all(&[c, b'\n']).unwrap();
+    }
+}