ngspice/ngspice-xcircuit_bridge.patch

--- src/main.c	2009-10-24 08:28:09.000000000 +0200
+++ main.c	2009-11-16 15:05:57.196403105 +0100
@@ -553,6 +553,7 @@
        "  -i, --interactive         run in interactive mode\n"
        "  -n, --no-spiceinit        don't load the local or user's config file\n"
        "  -o, --output=FILE         set the outputfile\n"
+       "  -p, --pipe                run in I/O pipe mode\n"       
        "  -q, --completion          activate command completion\n"
        "  -r, --rawfile=FILE        set the rawfile output\n"
        "  -s, --server              run spice as a server process\n"
@@ -759,6 +760,7 @@
             {"interactive", 0, 0, 'i'},
             {"no-spiceinit", 0, 0, 'n'},
             {"output", 1, 0, 'o'},
+            {"pipe", 0, 0, 'p'},
             {"completion", 0, 0, 'q'},
             {"rawfile", 1, 0, 'r'},
             {"server", 0, 0, 's'},
@@ -766,7 +768,7 @@
             {0, 0, 0, 0}
         };
 
-        c = getopt_long (argc, argv, "hvbac:ihno:qr:st:",
+        c = getopt_long (argc, argv, "hvbac:ihno:pqr:st:",
              long_options, &option_index);
         if (c == -1)
             break;