Enhance convert script readability. Fix if statement conditional.

convert.sh

@@ -12,8 +12,8 @@ book="HyperlingsHealthProtocol-book.pdf"
 booklet="HyperlingsHealthProtocol-booklet-default.pdf"
 rotated="HyperlingsHealthProtocol-booklet-rotated.pdf"
 
-if [[ -e *.pdf ]]; then
-	echo -n "Old: "
+if [[ -e "$ebook" ]]; then
+	echo "Old: "
 	du -h *.pdf
 	rm -v *.pdf
 fi
@@ -21,11 +21,13 @@ fi
 cp ebook.md /tmp/
 sed -i "s/{REVISION_DATE}/`date +'%Y-%m-%d'`/g" /tmp/ebook.md
 
+echo "*** Creating eBook ***"
 pandoc /tmp/ebook.md \
 	-s -N --toc --toc-depth=3 \
 	-o $ebook
 status=$?
 echo "PDF created with status '$status'."
+echo "*** Completed eBook ***"
 
 echo "*** Creating Bookets ***"
 pdfbook2 -n $ebook
@@ -35,7 +37,7 @@ pdfbook2 -ns $ebook
 mv -v $book $rotated
 echo "*** Completed Bookets ***"
 
-echo -n "New: "
+echo "New: "
 du -h *.pdf
 
 date