Update readme

README.md

@@ -15,8 +15,6 @@ Rups also keeps your process alive by restarting it as soon as it dies.
 A lot of the functionality is not implemented. This project should be
 considered under development...
 
-[![asciicast](https://asciinema.org/a/124007.png)](https://asciinema.org/a/124007)
-
 
 ## Install
 
@@ -28,3 +26,44 @@ considered under development...
 
 1. Launch python through rups: `rups python`
 2. Connect to python through a separate terminal: `telnet localhost 3000`
+
+## Help
+
+```
+$ rups -h
+Rups 0.1.0
+Niklas Claesson <[email protected]>
+Rust process server
+USAGE:
+    rups [FLAGS] [OPTIONS] <command>...
+FLAGS:
+    -f, --foreground       print process output to stdout (server)
+    -h, --help             Prints help information
+    -I, --interactive      Connect stdin to process input (server)
+        --noautorestart    do not restart the child process by default
+    -n, --noinfo           suppress messages (clients)
+    -q, --quiet            suppress messages (server)
+    -V, --version          Prints version information
+    -w, --wait             let user start process via telnet command
+OPTIONS:
+        --autorestartcmd <autorestartcmd>    Command to toggle autorestart of process
+    -b, --bind <bind>...                     Bind to address (default is 127.0.0.1:3000
+    -c, --chdir <chdir>                      Process working directory
+        --histsize <histsize>                Set maximum telnet packets to remember
+        --holdoff <holdoff>                  wait n seconds between process restart
+    -k, --killcmd <killcmd>                  Command to send SIGKILL to process
+    -l, --logbind <logbind>...               Bind to address for log output (ignore any received data)
+    -L, --logfile <logfile>...               Output to logfile
+    -r, --restartcmd <restartcmd>            Command to start the process
+ARGS:
+    <command>...
+All commands (killcmd, ...) take either a single letter or caret (^) + a single letter as arguments. For example '^x'
+for Ctrl-X or 'x' for literal x.
+EXAMPLES:
+    rups bash
+    Will launch bash as the child process using the default options.
+```
+
+## Demo
+
+[![asciicast](https://asciinema.org/a/124007.png)](https://asciinema.org/a/124007)