support multi dir

you can now have multiple directories in pages/ and they will all end up
in builds/

.gitignore

@@ -2,3 +2,4 @@ builds/*
 src/*
 pages/*
 parts/*
+static/*

mkhtml

@@ -15,16 +15,15 @@ if [[ -d "$(pwd)/pages" && -d "$(pwd)/parts" && -d "$(pwd)/builds" ]]; then
 # Check if mandatory folders exist, make variables if yes, create them if not.
 fi
 
-if [ ! -w "$BUILDSDIR" ]; then
-	echo "mkhtml (executed by $(whoami)) can't write in $BUILDSDIR"
-	echo "Ask your system admin to change permissions or move this whole folder"
-	exit 1
-fi
-
 if [[ ! -d "$(pwd)/pages" || ! -d "$(pwd)/parts" || ! -d "$(pwd)/builds" ]]; then
 	mkdir {pages,parts,builds} 2>/dev/null
 	echo "pages, parts and builds folders were created by mkhtml in $(pwd)"
-	echo "now populate them"
+	exit 1
+fi
+
+if [ ! -w "$BUILDSDIR" ]; then
+	echo "mkhtml (executed by $(whoami)) can't write in $BUILDSDIR"
+	echo "Ask your system admin to change permissions or move this whole folder"
 	exit 1
 fi
 
@@ -50,8 +49,11 @@ fi
 echo ""
 echo "Building files..."
 
+cd $PAGESDIR
+find -type d -links 2 -exec mkdir -p "$BUILDSDIR/{}" \;
+
 # https://stackoverflow.com/a/54563899
-cd $PAGESDIR && find . -type f -print0 | while IFS= read -r -d $'\0' file; do
+find . -type f -print0 | while IFS= read -r -d $'\0' file; do
 	filename=$(echo $file | sed 's/.\///')
 	newloc="$BUILDSDIR/$filename"
 	touch $newloc 2>/dev/null
@@ -60,7 +62,7 @@ cd $PAGESDIR && find . -type f -print0 | while IFS= read -r -d $'\0' file; do
 	cat "$PARTSDIR/header.html" >> "$newloc"
 	cat "$PAGESDIR/$filename" >> "$newloc"
 	cat "$PARTSDIR/footer.html" >> "$newloc"
-	# build file using PARTS and PAGE
+	# build files using PARTS and PAGE
 done
 
 if [ -n "$SRCDIR" ]; then
@@ -74,6 +76,8 @@ if [ -n "$STATDIR" ]; then
 	cp -r $STATDIR/* $BUILDSDIR
 fi
 
+cd - > /dev/null
+
 echo ""
 echo "Looks like all files were built"
 echo ""