Update Readme (#46)

* Update Readme

main.go Formatting
README.md Formatting and update of Parameters added in the meantime. --no-icmp, --local-json, --duration, --chunks, --upload-size, --skip-cert-verify

* Update README.md

syntax

Author: servidge

README.md

@@ -116,6 +116,8 @@ GLOBAL OPTIONS:
    --ipv6, -6                     Force IPv6 only (default: false)
    --no-download                  Do not perform download test (default: false)
    --no-upload                    Do not perform upload test (default: false)
+   --no-icmp                      Do not use ICMP ping. ICMP doesn't work well under Linux
+                                  at this moment, so you might want to disable it (default: false)
    --concurrent value             Concurrent HTTP requests being made (default: 3)
    --bytes                        Display values in bytes instead of bits. Does not affect
                                   the image generated by --share, nor output from
@@ -126,27 +128,32 @@ GLOBAL OPTIONS:
    --share                        Generate and provide a URL to the LibreSpeed.org share results
                                   image, not displayed with --csv (default: false)
    --simple                       Suppress verbose output, only show basic information
-                                   (default: false)
+                                  (default: false)
    --csv                          Suppress verbose output, only show basic information in CSV
                                   format. Speeds listed in bit/s and not affected by --bytes
-                                   (default: false)
+                                  (default: false)
    --csv-delimiter CSV_DELIMITER  Single character delimiter (CSV_DELIMITER) to use in
                                   CSV output. (default: ",")
    --csv-header                   Print CSV headers (default: false)
    --json                         Suppress verbose output, only show basic information
                                   in JSON format. Speeds listed in bit/s and not
-                                   affected by --bytes (default: false)
+                                  affected by --bytes (default: false)
    --list                         Display a list of LibreSpeed.org servers (default: false)
    --server SERVER                Specify a SERVER ID to test against. Can be supplied
                                   multiple times. Cannot be used with --exclude
    --exclude EXCLUDE              EXCLUDE a server from selection. Can be supplied
                                   multiple times. Cannot be used with --server
    --server-json value            Use an alternative server list from remote JSON file
-   --local-json value             Use an alternative server list from local JSON file
+   --local-json value             Use an alternative server list from local JSON file,
+                                  or read from stdin with "--local-json -".   
    --source SOURCE                SOURCE IP address to bind to
    --timeout TIMEOUT              HTTP TIMEOUT in seconds. (default: 15)
+   --duration value               Upload and download test duration in seconds (default: 15)
+   --chunks value                 Chunks to download from server, chunk size depends on server configuration (default: 100)
+   --upload-size value            Size of payload being uploaded in KiB (default: 1024)
    --secure                       Use HTTPS instead of HTTP when communicating with
                                   LibreSpeed.org operated servers (default: false)
+   --skip-cert-verify             Skip verifying SSL certificate for HTTPS connections (self-signed certs) (default: false)								  
    --no-pre-allocate              Do not pre allocate upload data. Pre allocation is
                                   enabled by default to improve upload performance. To
                                   support systems with insufficient memory, use this
@@ -190,6 +197,10 @@ locally via `--local-json`). The format is as below:
 ]
 ```
 
+The `--local-json` option can also read from `stdin`:
+
+`echo '[{"id": 1,"name": "a","server": "https://speedtest.example.com/","dlURL": "garbage.php","ulURL": "empty.php","pingURL": "empty.php","getIpURL": "getIP.php"}]' | librespeed-cli --local-json - `
+
 As you can see in the example, all servers have their schemes defined. In case of undefined scheme (e.g. `//example.com`),
 `librespeed-cli` will use `http` by default, or `https` when the `--secure` option is enabled.
 

main.go

@@ -59,7 +59,7 @@ func main() {
 			&cli.BoolFlag{
 				Name: defs.OptionNoICMP,
 				Usage: "Do not use ICMP ping. ICMP doesn't work well under Linux\n" +
-					"at this moment, so you might want to disable it",
+					"\tat this moment, so you might want to disable it",
 			},
 			&cli.IntFlag{
 				Name:  defs.OptionConcurrent,
@@ -110,7 +110,7 @@ func main() {
 				Name: defs.OptionJSON,
 				Usage: "Suppress verbose output, only show basic information\n" +
 					"\tin JSON format. Speeds listed in bit/s and not\n" +
-					"\t affected by --bytes",
+					"\taffected by --bytes",
 			},
 			&cli.BoolFlag{
 				Name:  defs.OptionList,
@@ -141,7 +141,7 @@ func main() {
 			},
 			&cli.IntFlag{
 				Name:  defs.OptionTimeout,
-				Usage: "HTTP `TIMEOUT` in seconds",
+				Usage: "HTTP `TIMEOUT` in seconds.",
 				Value: 15,
 			},
 			&cli.IntFlag{