I'm submitting patches to add an option to have -d data applied only
to the first url, and to use GET for subsequent urls. I seemed to need
this to handle a site which has a nonstandard login requirement.

diff -u -r curl-7.11.0/docs/curl.1 curl.new/docs/curl.1
--- curl-7.11.0/docs/curl.1 2003-12-18 08:16:19.000000000 -0800
+++ curl.new/docs/curl.1 2004-02-18 17:13:52.000000000 -0800
@@ -197,6 +197,12 @@
 
 If this option is used several times, the ones following the first will
 append data.
+
+.IP "--data-once"
+(HTTP) This causes all data specified by \fI-d/--data\fP or \fI--data-binary\fP
+to be sent only with the first URL, and causes curl to use GET for subsequent
+URLs. It can be useful for handling login forms.
+
 .IP "--digest"
 (HTTP) Enables HTTP Digest authentication. This is a authentication that
 prevents the password from being sent over the wire in clear text. Use this in
diff -u -r curl-7.11.0/src/main.c curl.new/src/main.c
--- curl-7.11.0/src/main.c 2004-01-19 14:15:59.000000000 -0800
+++ curl.new/src/main.c 2004-02-17 17:23:58.000000000 -0800
@@ -395,6 +395,7 @@
   off_t resume_from;
   char *postfields;
   long postfieldsize;
+ bool post_data_once;
   char *referer;
   long timeout;
   long connecttimeout;
@@ -1132,6 +1133,7 @@
     {"d", "data", TRUE},
     {"da", "data-ascii", TRUE},
     {"db", "data-binary", TRUE},
+ {"d1", "data-once", FALSE},
     {"D", "dump-header", TRUE},
     {"e", "referer", TRUE},
     {"E", "cert", TRUE},
@@ -1512,6 +1514,10 @@
       {
         char *postdata=NULL;
 
+ if(subletter == '1') {
+ config->post_data_once = TRUE;
+ break;
+ }
         if('@' == *nextarg) {
           /* the data begins with a '@' letter, it means that a file name
              or - (stdin) follows */
@@ -3339,6 +3345,17 @@
         if (httpgetfields)
           free(httpgetfields);
 
+ if (config->post_data_once && config->postfields != NULL) {
+ httpgetfields = NULL;
+ config->httpreq = HTTPREQ_UNSPEC;
+ config->httppost = NULL;
+ free(config->postfields);
+ config->postfields = NULL;
+ if(SetHTTPrequest((config->conf&CONF_NOBODY?HTTPREQ_HEAD:HTTPREQ_GET),
+ &config->httpreq))
+ return PARAM_BAD_USE;
+ curl_easy_setopt(curl, CURLOPT_POST, NULL);
+ }
         if(url)
           free(url);
 

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Peter McCluskey          | "To announce that there must be no criticism of
http://www.rahul.net/pcm | the President, or that we are to stand by the
                         | President right or wrong, is not only unpatriotic
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                         | American public." - Theodore Roosevelt