After a CTK wget and a shell wget finally a plain vanilla CLI wget.

examples/wget/Makefile

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+CONTIKI_PROJECT = wget
+all: $(CONTIKI_PROJECT)
+
+APPS = webbrowser
+
+CONTIKI = ../..
+include $(CONTIKI)/Makefile.include

examples/wget/Makefile.apple2enh.defines

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+DEFINES = WITH_LOGGING,WITH_CLIENT,WITH_DNS

examples/wget/Makefile.c128.defines

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+DEFINES = WITH_LOGGING,WITH_CLIENT,WITH_DNS

examples/wget/Makefile.c64.defines

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+DEFINES = WITH_LOGGING,WITH_CLIENT,WITH_DNS

examples/wget/Makefile.target

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+TARGET = minimal-net

examples/wget/wget.c

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+/*
+ * Copyright (c) 2002, Adam Dunkels.
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution. 
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.  
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
+ *
+ * This file is part of the Contiki desktop environment
+ *
+ * $Id: wget.c,v 1.1 2010/02/10 23:51:38 oliverschmidt Exp $
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "contiki-net.h"
+#include "webclient.h"
+#include "cfs/cfs.h"
+#include "lib/petsciiconv.h"
+
+PROCESS(wget_process, "Wget");
+
+AUTOSTART_PROCESSES(&wget_process);
+
+static int file = -1;
+static char url[128];
+
+/*-----------------------------------------------------------------------------------*/
+/* Called when the URL present in the global "url" variable should be
+ * opened. It will call the hostname resolver as well as the HTTP
+ * client requester.
+ */
+static void
+start_get(void)
+{
+  u16_t addr[2];
+  unsigned char i;
+  static char host[32];
+  char *file;
+  register char *urlptr;
+
+  /* Trim off any spaces in the end of the url. */
+  urlptr = url + strlen(url) - 1;
+  while(*urlptr == ' ' && urlptr > url) {
+    *urlptr = 0;
+    --urlptr;
+  }
+
+  /* Don't even try to go further if the URL is empty. */
+  if(urlptr == url) {
+    return;
+  }
+
+  /* See if the URL starts with http://, otherwise prepend it. */
+  if(strncmp(url, http_http, 7) != 0) {
+    while(urlptr >= url) {
+      *(urlptr + 7) = *urlptr;
+      --urlptr;
+    }
+    strncpy(url, http_http, 7);
+  } 
+
+  /* Find host part of the URL. */
+  urlptr = &url[7];  
+  for(i = 0; i < sizeof(host); ++i) {
+    if(*urlptr == 0 ||
+       *urlptr == '/' ||
+       *urlptr == ' ' ||
+       *urlptr == ':') {
+      host[i] = 0;
+      break;
+    }
+    host[i] = *urlptr;
+    ++urlptr;
+  }
+
+  /* XXX: Here we should find the port part of the URL, but this isn't
+     currently done because of laziness from the programmer's side
+     :-) */
+
+  /* Find file part of the URL. */
+  while(*urlptr != '/' && *urlptr != 0) {
+    ++urlptr;
+  }
+  if(*urlptr == '/') {
+    file = urlptr;
+  } else {
+    file = "/";
+  }
+
+#if UIP_UDP
+  /* First check if the host is an IP address. */
+  if(uiplib_ipaddrconv(host, (unsigned char *)addr) == 0) {    
+    
+    /* Try to lookup the hostname. If it fails, we initiate a hostname
+       lookup and print out an informative message on the
+       statusbar. */
+    if(resolv_lookup(host) == NULL) {
+      resolv_query(host);
+      puts("Resolving host...");
+      return;
+    }
+  }
+#else /* UIP_UDP */
+  uiplib_ipaddrconv(host, (unsigned char *)addr);
+#endif /* UIP_UDP */
+
+  /* The hostname we present in the hostname table, so we send out the
+     initial GET request. */
+  if(webclient_get(host, 80, file) == 0) {
+    puts("Out of memory error");
+  } else {
+    puts("Connecting...");
+  }
+}
+/*-----------------------------------------------------------------------------------*/
+static void
+app_quit(void)
+{
+  if(file != -1) {
+    cfs_close(file);
+  }
+  process_exit(&wget_process);
+  LOADER_UNLOAD();
+}
+/*-----------------------------------------------------------------------------------*/
+PROCESS_THREAD(wget_process, ev, data)
+{
+  static char name[32];
+
+  PROCESS_BEGIN();
+
+  process_post(PROCESS_CURRENT(), 0, NULL);
+
+  while(1) {
+
+    PROCESS_WAIT_EVENT();
+  
+    if(ev == 0) {
+      fputs("\nGet url:", stdout);
+      gets(url);
+      fputs("Save as:", stdout);
+      gets(name);
+      file = cfs_open(name, CFS_WRITE);
+      if(file == -1) {
+        printf("Open error with '%s'\n", name);
+        app_quit();
+      } else {
+        petsciiconv_toascii(url, sizeof(url));
+        start_get();
+      }
+    } else if(ev == tcpip_event) {
+      webclient_appcall(data);
+#if UIP_UDP
+    } else if(ev == resolv_event_found) {
+      /* Either found a hostname, or not. */
+      if((char *)data != NULL &&
+	 resolv_lookup((char *)data) != NULL) {
+	start_get();
+      } else {
+	puts("Host not found");
+        app_quit();
+      }
+#endif /* UIP_UDP */
+    }
+  }
+
+  PROCESS_END();
+}
+/*-----------------------------------------------------------------------------------*/
+/* Callback function. Called from the webclient when the HTTP
+ * connection was abruptly aborted.
+ */
+void
+webclient_aborted(void)
+{
+  puts("Connection reset by peer");
+  app_quit();
+}
+/*-----------------------------------------------------------------------------------*/
+/* Callback function. Called from the webclient when the HTTP
+ * connection timed out.
+ */
+void
+webclient_timedout(void)
+{
+  puts("Connection timed out");
+  app_quit();
+}
+/*-----------------------------------------------------------------------------------*/
+/* Callback function. Called from the webclient when the HTTP
+ * connection was closed after a request from the "webclient_close()"
+ * function. .
+ */
+void
+webclient_closed(void)
+{  
+  puts("Done.");
+  app_quit();
+}
+/*-----------------------------------------------------------------------------------*/
+/* Callback function. Called from the webclient when the HTTP
+ * connection is connected.
+ */
+void
+webclient_connected(void)
+{    
+  puts("Request sent...");
+}
+/*-----------------------------------------------------------------------------------*/
+/* Callback function. Called from the webclient module when HTTP data
+ * has arrived.
+ */
+void
+webclient_datahandler(char *data, u16_t len)
+{
+  static unsigned long dload_bytes;
+  int ret;
+
+  if(len > 0) {
+    dload_bytes += len;
+    printf("Downloading (%lu bytes)\n", dload_bytes);
+    if(file != -1) {
+      ret = cfs_write(file, data, len);
+      if(ret != len) {
+	printf("Wrote only %d bytes\n", ret);
+      }
+    }
+  }
+
+  if(data == NULL) {
+    printf("Finished downloading %lu bytes.\n", dload_bytes);
+    app_quit();
+  }
+}
+/*-----------------------------------------------------------------------------------*/