feat: automatically populate <title> with blog post name

2 files changed, 15 insertions, 13 deletions

diff --git a/README.md b/README.md
index ad37768..f394d21 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ See [https://romansolotarev.com/ssg.html](https://romanzolotarev.com/ssg.html) f
 3. `chmod +x /usr/bin/ssg-blog`
 4. `ssg-blog src dst 'https://my-website.net'`
 
-ssg-blog checks for subdirectories in the src directory, each of which becomes a category heading (non-recursively). It will generate a sorted list of links to any .md file in those directory (including nested directories). Each .md file needs frontmatter including the title and a YYYY-MM-DD date like this to be included in the index page:
+ssg-blog checks for subdirectories in the src directory, each of which becomes a category heading (non-recursively). It will generate a sorted list of links to any .md file in those directory (including nested directories). Each .md file requires frontmatter including the title and a YYYY-MM-DD date like this to be included in the index page:
 
 ```markdown
 ---
@@ -23,7 +23,7 @@ publish: false
 ---
 ```
 
-If you add `publish: false` to the frontmatter, the post will not show up in the index (it will still be rendered and appear in the sitemap)
+If you add `publish: false` to the frontmatter, the post will not show up in the index (it will still be rendered and appear in the sitemap). This field is optional otherwise.
 
 ## Example
 
@@ -48,7 +48,7 @@ find "$src" -mindepth 1 -maxdepth 1 -type d ! -path "*/.*" | sort |
 
 # Differences from ssg
 
-The title argument from ssg is unnecessary so I've removed it. `render_html_file` used it to modify the first `<h1>` tag and auto-populate the `<title>` if none is specified, which is functionality I've never needed.
+The title argument from ssg is unnecessary so I've removed it. `render_html_file` used it to modify the first `<h1>` tag and auto-populate the `<title>` if none is specified, which is functionality I've never needed. Instead I check the frontmatter of each blog post and update the `<title>` tag with the `title:` field.
 
 # Alternatives
 
diff --git a/ssg-blog b/ssg-blog
index 3361b03..9ea93d0 100755
--- a/ssg-blog
+++ b/ssg-blog
@@ -172,21 +172,23 @@ render_html_files() {
 
 render_md_files_lowdown() {
   while read -r f; do
-    sed '1 { /^---/ { :a N; /\n---/! ba; d} }' "$1/$f" |
-      lowdown \
-      --html-no-escapehtml \
-      --html-no-skiphtml \
-      --parse-no-metadata \
-      --parse-no-autolink |
-      render_html_file >"$2/${f%\.md}.html"
+    title=$(sed -n '/^title: /s/^title: //p' "$1/$f" | head -n 1)
+    content=$(sed '1 { /^---/ { :a N; /\n---/! ba; d} }' "$1/$f")
+    html_content=$(echo "$content" | lowdown --html-no-escapehtml --html-no-skiphtml --parse-no-metadata --parse-no-autolink)
+    echo "$HEADER" | sed "s|<title>.*</title>|<title>$title</title>|" > "$2/${f%\.md}.html"
+    echo "$html_content" >> "$2/${f%\.md}.html"
+    echo "$FOOTER" >> "$2/${f%\.md}.html"
   done
 }
 
 render_md_files_Markdown_pl() {
   while read -r f; do
-    sed '1 { /^---/ { :a N; /\n---/! ba; d} }' "$1/$f" |
-      Markdown.pl |
-      render_html_file >"$2/${f%\.md}.html"
+    title=$(sed -n '/^title: /s/^title: //p' "$1/$f" | head -n 1)
+    content=$(sed '1 { /^---/ { :a N; /\n---/! ba; d} }' "$1/$f")
+    html_content=$(echo "$content" | Markdown.pl)
+    echo "$HEADER" | sed "s|<title>.*</title>|<title>$title</title>|" > "$2/${f%\.md}.html"
+    echo "$html_content" >> "$2/${f%\.md}.html"
+    echo "$FOOTER" >> "$2/${f%\.md}.html"
   done
 }