edit markdown posts

usage:
  bb.sh edit article.md
to edit previously posted article (for which markdown source was saved),
and repost it (under the same name or not)

bb.sh

@@ -258,7 +258,7 @@ test_markdown() {
 # Parse a Markdown file into HTML and return the generated file
 markdown() {
     out="$(echo $1 | sed 's/md$/html/g')"
-    while [ -f "$out" ]; do out="$(echo $out | sed 's/\.html$/\.'$RANDOM'\.html')"; done
+    while [ -f "$out" ]; do out="$(echo $out | sed 's/\.html$/\.'$RANDOM'\.html/')"; done
     $markdown_bin $1 > $out
     echo $out
 }
@@ -360,16 +360,24 @@ edit() {
         $EDITOR "$1"
         filename="$1"
     else
-        # Create the content file
-        TMPFILE="$(basename $1).$RANDOM.html"
-        # Title
-        echo "$(get_post_title $1)" > "$TMPFILE"
-        # Post text with plaintext tags
-        get_html_file_content 'text' 'text' <$1 | sed "/^<p>$template_tags_line_header/s|<a href='$prefix_tags\([^']*\).html'>\\1</a>|\\1|g" >> "$TMPFILE"
-        rm $1
-        $EDITOR "$TMPFILE"
+        if [[ "${1##*.}" == "md" ]]; then
+            # editing markdown file
+            $EDITOR "$1"
+            TMPFILE="$(markdown "$1")"
+            filename="${1%%.*}.html"
+        else
+            # Create the content file
+            TMPFILE="$(basename $1).$RANDOM.html"
+            # Title
+            echo "$(get_post_title $1)" > "$TMPFILE"
+            # Post text with plaintext tags
+            get_html_file_content 'text' 'text' <$1 | sed "/^<p>$template_tags_line_header/s|<a href='$prefix_tags\([^']*\).html'>\\1</a>|\\1|g" >> "$TMPFILE"
+            $EDITOR "$TMPFILE"
+            filename="$1"
+        fi
+        rm "$filename"
         if [ "$2" = "keep" ]; then
-            parse_file "$TMPFILE" "$edit_timestamp" "$1"
+            parse_file "$TMPFILE" "$edit_timestamp" "$filename"
         else
             parse_file "$TMPFILE" "$edit_timestamp" # this command sets $filename as the html processed file
         fi