v2: src/bin/html: Turn extract_plaintext_snippets() into a () function

1 files changed, 34 insertions, 37 deletions

diff --git a/v2/src/bin/html b/v2/src/bin/html
index 38270b1..f995753 100755
--- a/v2/src/bin/html
+++ b/v2/src/bin/html
@@ -98,49 +98,46 @@ markdown_to_html() {
 	'
 }
 
-extract_plaintext_snippets() {
+extract_plaintext_snippets() (
 	SNIPPETS="${FILENAME%.md}.snippets"
 	printf '' > "$SNIPPETS"
 	F="$(mkstemp)"
 	cat > "$F"
-	(
-		IFS=''
-		BLOCK_NUMBER=0
-		IN_BLOCK=
-		while read -r line; do
-			if [ "$line" = '</code></pre>' ]; then
-				IN_BLOCK=
-			fi
-
-			if [ -n "$IN_BLOCK" ]; then
-				printf '%s\n' "$line" | htmlesc -d >> "$OUT"
-			fi
-
-			if printf '%s' "$line" | grep -q "^$INDENT<pre><code"; then
-				IN_BLOCK=1
-				OUT="${FILENAME%.md}.html.$BLOCK_NUMBER.txt"
-				BLOCK_NUMBER=$((BLOCK_NUMBER + 1))
-				printf '%s\n' "$line" |
-					sed "s|^\($INDENT<pre><code.*>\)\(.*\)$|\2|" |
-					htmlesc -d > "$OUT"
-				printf '%s\n' "$OUT" >> "$SNIPPETS"
-			fi
-		done < "$F"
-
-		BLOCK_NUMBER=0
-		while read -r line; do
-			printf '%s\n' "$line"
+	IFS=''
+	BLOCK_NUMBER=0
+	IN_BLOCK=
+	while read -r line; do
+		if [ "$line" = '</code></pre>' ]; then
+			IN_BLOCK=
+		fi
 
-			if [ "$line" = '</code></pre>' ]; then
-				printf '%s<p class="plaintext-link"><a href="%s">plaintext</a></p>\n' \
-					"$INDENT" \
-					"$(basename "${url_part:?}").$BLOCK_NUMBER.txt"
-				BLOCK_NUMBER=$((BLOCK_NUMBER + 1))
-			fi
-		done < "$F"
-	)
+		if [ -n "$IN_BLOCK" ]; then
+			printf '%s\n' "$line" | htmlesc -d >> "$OUT"
+		fi
 
-}
+		if printf '%s' "$line" | grep -q "^$INDENT<pre><code"; then
+			IN_BLOCK=1
+			OUT="${FILENAME%.md}.html.$BLOCK_NUMBER.txt"
+			BLOCK_NUMBER=$((BLOCK_NUMBER + 1))
+			printf '%s\n' "$line" |
+				sed "s|^\($INDENT<pre><code.*>\)\(.*\)$|\2|" |
+				htmlesc -d > "$OUT"
+			printf '%s\n' "$OUT" >> "$SNIPPETS"
+		fi
+	done < "$F"
+
+	BLOCK_NUMBER=0
+	while read -r line; do
+		printf '%s\n' "$line"
+
+		if [ "$line" = '</code></pre>' ]; then
+			printf '%s<p class="plaintext-link"><a href="%s">plaintext</a></p>\n' \
+				"$INDENT" \
+				"$(basename "${url_part:?}").$BLOCK_NUMBER.txt"
+			BLOCK_NUMBER=$((BLOCK_NUMBER + 1))
+		fi
+	done < "$F"
+)
 
 add_line_numbers() {
 	awk '