remove code duplication for progress spinner

atom

@@ -585,6 +585,15 @@ createDestinations() {
 	done
 }
 
+progressSpin() {
+	case $(( ++count % 40 )) in
+		0) echo -ne '\b|' ;;
+		10) echo -ne '\b/' ;;
+		20) echo -en '\b-' ;;
+		30) echo -ne '\b\\' ;;
+		*) ;;
+	esac
+}
 getFiles() {
 	scantime=$(date +%s)
 	for prune_expression in "${skippeddirectories[@]}"
@@ -629,18 +638,12 @@ getFiles() {
 				filename = $filename
 			EOWhere
 		fi
-		case $(( ++count % 40 )) in
+		progressSpin
-			0) echo -ne '\b|' ;;
-			10) echo -ne '\b/' ;;
-			20) echo -en '\b-' ;;
-			30) echo -ne '\b\\' ;;
-			*) ;;
-		esac
 	done < <(
 		find "$sourcepath" $prunes -type f -printf "%T@ %s %P\n"
 	)
 	echo 'COMMIT;' >&3
-	echo -e "\r$count files found, ${new:=0} new or changed."
+	echo -e "\r${count:-0} files found, ${new:=0} new or changed."
 	unset count
 }
 
@@ -1166,7 +1169,7 @@ do
 	fi
 done
 echo 'COMMIT;' >&3
-echo -e "\rRead tags from $count files."
+echo -e "\rRead tags from ${count:-0} files."
 unset count tagfiles
 
 echo '
@@ -1292,13 +1295,7 @@ do
 				status		0
 			EOInsert
 		)
-		case $(( ++count % 40 )) in
+		progressSpin
-			0) echo -ne '\b|' ;;
-			10) echo -ne '\b/' ;;
-			20) echo -en '\b-' ;;
-			30) echo -ne '\b\\' ;;
-			*) ;;
-		esac
 	fi
 	if (( sox_needed ))
 	then
@@ -1315,13 +1312,7 @@ do
 					status		0
 				EOInsert
 			)
-			case $(( ++count % 40 )) in
+			progressSpin
-				0) echo -ne '\b|' ;;
-				10) echo -ne '\b/' ;;
-				20) echo -en '\b-' ;;
-				30) echo -ne '\b\\' ;;
-				*) ;;
-			esac
 		fi
 	fi
 	unset			\