Update example in overview section

README.md

@@ -67,7 +67,6 @@ $ echo $?
 $ ls -1 $CACHE_DIR
 1e6b844a49d1850b82feded72cf83ed7_content
 1e6b844a49d1850b82feded72cf83ed7_headers
-cget_log.txt
 $ cat $CACHE_DIR/1e6b844a49d1850b82feded72cf83ed7_headers
 HTTP/1.1 200 OK
 Date: Wed, 26 Apr 2017 16:29:44 GMT
@@ -93,29 +92,32 @@ Of course the ``-C`` option will fail if the resource is not cached:
 ```Shell
 # illustrate "quiet failure mode"
 $ $BIN_DIR/cget.sh -C $url2
+2017-05-02T14:53:38Z INFO cget.sh requesting resource: http://md.incommon.org/InCommon/InCommon-metadata-fallback.xml
+2017-05-02T14:53:38Z ERROR conditional_get: resource not cached: http://md.incommon.org/InCommon/InCommon-metadata-fallback.xml
 $ echo $?
 1
-$ cat $CACHE_DIR/cget_log.txt | tail -n 2
-2017-04-26T16:39:38Z INFO cget.sh requesting resource: http://md.incommon.org/InCommon/InCommon-metadata-fallback.xml
-2017-04-26T16:39:38Z ERROR conditional_get: resource not cached: http://md.incommon.org/InCommon/InCommon-metadata-fallback.xml
 ```
 
 OTOH, the ``-F`` option forces the return of a fresh resource from the server. If the resource is cached and unchanged on the server (304), such a request will fail, however:
 
 ```Shell
-# again illustrate "quiet failure mode"
+# further illustrate "quiet failure mode"
 $ $BIN_DIR/cget.sh -F $url1
+2017-05-02T14:54:37Z INFO cget.sh requesting resource: http://md.incommon.org/InCommon/InCommon-metadata-preview.xml
+2017-05-02T14:54:38Z INFO conditional_get received response code: 304
+2017-05-02T14:54:38Z ERROR conditional_get: resource not modified: http://md.incommon.org/InCommon/InCommon-metadata-preview.xml
 $ echo $?
 1
-$ cat $CACHE_DIR/cget_log.txt | tail -n 2
-2017-04-26T16:41:55Z INFO conditional_get received response code: 304
-2017-04-26T16:41:55Z ERROR conditional_get: resource not modified: http://md.incommon.org/InCommon/InCommon-metadata-preview.xml
 ```
 
 The ``-F`` option will work on the other URL, however:
 
 ```Shell
 $ $BIN_DIR/cget.sh -F $url2 > /dev/null
+2017-05-02T14:55:24Z INFO cget.sh requesting resource: http://md.incommon.org/InCommon/InCommon-metadata-fallback.xml
+2017-05-02T14:55:30Z INFO conditional_get received response code: 200
+2017-05-02T14:55:30Z INFO conditional_get writing cached content file: /tmp/http_cache/1727196e5b7593f3b7528c539e7169d2_content
+2017-05-02T14:55:30Z INFO conditional_get reading cached content file: /tmp/http_cache/1727196e5b7593f3b7528c539e7169d2_content
 $ echo $?
 0
 $ ls -1 $CACHE_DIR