spit an error when no config file is found, to avoid confusing lex and the user.

1 files changed, 6 insertions, 2 deletions

diff --git a/util/epist/parser.cc b/util/epist/parser.cc
index 5c953aae..f6ed589e 100644
--- a/util/epist/parser.cc
+++ b/util/epist/parser.cc
@@ -54,9 +54,13 @@ void parser::parse(string rc_file)
 
   yyin = fopen(rc_file.c_str(), "r");
 
-  yyparse(this);
+  if (yyin) {
+    yyparse(this);
+    fclose(yyin);
+  } else {
+    std::cerr << "ERROR: Configuration file could not be opened/found.\n";
+  }
 
-  fclose(yyin);
   _kt->reset();
   _kt->initialize();
 }