X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=src%2Foptions.ml;h=fbbd73e44b68ddcb7b7fbd1a7d5e153f0e8e3279;hb=HEAD;hp=73077943f6b0a0bffcad5243b9bd76fdd6cc8620;hpb=e656ceccd33ad11e80cc327f6393bfdad59c1cdb;p=SXSI%2Fxpathcomp.git

diff --git a/src/options.ml b/src/options.ml
index 7307794..fbbd73e 100644
--- a/src/options.ml
+++ b/src/options.ml
@@ -77,7 +77,6 @@ let spec = Arg.align
     "-doc-stats", Arg.Set(docstats),
     " Compute document statistics (performs full traversal)";
 
-
     "-v", Arg.Set(verbose), " verbose mode"; ] @
 IFNDEF NTRACE
 THEN [
@@ -88,12 +87,22 @@ THEN [
 ELSE []
 END
 
+let real_spec =
+  spec @ [
+    "-", Arg.Unit (fun () ->  anon_fun "-"), "";
+  ]
+
 
 let parse_cmdline() =
-  let _ = Arg.parse spec anon_fun usage_msg
+  let _ =
+    try
+      Arg.parse_argv Sys.argv real_spec anon_fun usage_msg;
+      if (!pos > 3 || !pos < 2) then raise (Arg.Bad "Invalid number of arguments")
+    with
+      Arg.Bad s | Arg.Help s ->
+        eprintf "%s\n" (Arg.usage_string spec usage_msg);
+        exit 1
   in
-  if (!pos > 3 || !pos < 2)
-  then begin Arg.usage spec usage_msg; exit 1 end;
   Logger.set_verbose !verbose