1 files changed, 17 insertions, 2 deletions
diff --git a/lex-c.l b/lex-c.l
index b74f169..243c9ab 100644
--- a/lex-c.l
+++ b/lex-c.l
@@ -1,4 +1,4 @@
-/* --c-mode-- */
+/* --*-c-mode-*-- */
 
 %{
 
@@ -83,5 +83,20 @@ NIDCHAR [^_a-zA-Z0-9]
 %%
 
 int main(int argc, char *argv[]) {
-    yylex();
+
+    if (argc <= 1)
+        yylex();
+    else {
+        int i;
+        
+        for (i = 1; i < argc; i++) {
+            if (!(freopen(argv[i], "r", stdin))) {
+                fprintf(stderr, "Failed to open file: %s\n", strerror(errno));
+                return 1;
+            }
+            yylex();
+        }
+    }
+
+    return 0;
 }