Clear caches on exit

src/core.go

@@ -29,6 +29,7 @@ func sbytes(data string) []byte {
 
 // Run starts fzf
 func Run(opts *Options, version string, revision string) (int, error) {
+	defer clearCaches()
 	defer util.RunAtExitFuncs()
 
 	sort := opts.Sort > 0

src/pattern.go

@@ -70,6 +70,10 @@ var (
 
 func init() {
 	_splitRegex = regexp.MustCompile(" +")
+	clearCaches()
+}
+
+func clearCaches() {
 	clearPatternCache()
 	clearChunkCache()
 }