ch_drop_user

ch_drop_user
------------

Drop/de-register all handles associated with the given user.
If no user provided will drop for current user. Client must ensure un-used handle are dropped
otherwise they will stay, in the server.
   arg1 = user           # The user to be drooped, if left empty drop current user
Usage:
   --ch_drop_user=ma0    # drop all handles associated with user ma0
   --ch_drop_user        # drop all handles associated with current user
An error is returned if no registered handles
To list all suites and handles use --ch_suites

The client reads in the following environment variables. These are read by user and child command

|----------|----------|------------|-------------------------------------------------------------------|
| Name     |  Type    | Required   | Description                                                       |
|----------|----------|------------|-------------------------------------------------------------------|
| ECF_HOST | <string> | Mandatory* | The host name of the main server. defaults to 'localhost'         |
| ECF_PORT |  <int>   | Mandatory* | The TCP/IP port to call on the server. Must be unique to a server |
| ECF_SSL  |  <any>   | Optional*  | Enable encrypted comms with SSL enabled server.                   |
|----------|----------|------------|-------------------------------------------------------------------|

* The host and port must be specified in order for the client to communicate with the server, this can
  be done by setting ECF_HOST, ECF_PORT or by specifying --host=<host> --port=<int> on the command line