1 files changed, 9 insertions, 3 deletions
diff --git a/src/sdp/output_epub.d b/src/sdp/output_epub.d
index 076265c..f914f16 100644
--- a/src/sdp/output_epub.d
+++ b/src/sdp/output_epub.d
@@ -342,9 +342,15 @@ template outputEPub() {
     auto pth_epub = EpubPaths();
     auto xhtml_format = outputXHTMLs();
     try {
-      mkdirRecurse(pth_epub.doc_meta_inf(doc_matters.source_filename));
-      mkdirRecurse(pth_epub.doc_oebps_css(doc_matters.source_filename));
-      mkdirRecurse(pth_epub.doc_oebps_image(doc_matters.source_filename));
+      if (!exists(pth_epub.doc_meta_inf(doc_matters.source_filename))) {
+        mkdirRecurse(pth_epub.doc_meta_inf(doc_matters.source_filename));
+      }
+      if (!exists(pth_epub.doc_oebps_css(doc_matters.source_filename))) {
+        mkdirRecurse(pth_epub.doc_oebps_css(doc_matters.source_filename));
+      }
+      if (!exists(pth_epub.doc_oebps_image(doc_matters.source_filename))) {
+        mkdirRecurse(pth_epub.doc_oebps_image(doc_matters.source_filename));
+      }
       /+ OEBPS/[segments].xhtml +/
       foreach (seg_filename; doc_matters.segnames) {
         auto f = File(pth_epub.fn_oebps_content_xhtml(doc_matters.source_filename, seg_filename), "w");