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Full Discussion: Using getopts
Top Forums Shell Programming and Scripting Using getopts Post 303007514 by Scott on Friday 17th of November 2017 11:13:49 AM
Old 11-17-2017
You can set user as mandatory by testing if it's set (although you may want to use another variable name (USER is a shell variable)):

i.e.
Code:
while getops ...; do
  ...
done
...
if [ -z "$USR" ]; then
  usage
  exit 1
fi

EXCEPTION=${EXCEPTION:-some_default} # set default to 'some_default' if not given

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CosNotifyChannelAdmin_ProxyPullConsumer(3erl)		     Erlang Module Definition		     CosNotifyChannelAdmin_ProxyPullConsumer(3erl)

NAME
CosNotifyChannelAdmin_ProxyPullConsumer - This module implements the OMG CosNotifyChannelAdmin::ProxyPullConsumer interface. DESCRIPTION
To get access to the record definitions for the structures use: -include_lib("cosNotification/include/*.hrl"). This module also exports the functions described in: * CosNotifyComm_NotifyPublish * CosNotification_QoSAdmin * CosNotifyFilter_FilterAdmin * CosNotifyChannelAdmin_ProxyConsumer EXPORTS
connect_any_pull_supplier(ProxyPullConsumer, PullSupplier) -> Reply Types ProxyPullConsumer = #objref PullSupplier = #objref Reply = ok | {'EXCEPTION', #'CosEventChannelAdmin_AlreadyConnected'{}} | {'EXCEPTION', #'CosEventChannelAdmin_TypeError'{}} This operation connects the given PullSupplier to the target object. If a client is already connected the AlreadyConnected exception will be raised. The client must support the operations pull and try_pull , otherwise the TypeError exception is raised. suspend_connection(ProxyPullConsumer) -> Reply Types ProxyPullConsumer = #objref Reply = ok | {'EXCEPTION', #'CosNotifyChannelAdmin_ConnectionAlreadyInactive'{}} | {'EXCEPTION', #'CosNotifyChannelAdmin_Not- Connected'{}} If we want to temporarily suspend the connection with the target object this operation must be sued. If the connection already have been suspended or no client have been connected an exception is raised. resume_connection(ProxyPullConsumer) -> Reply Types ProxyPullConsumer = #objref Reply = ok | {'EXCEPTION', #'CosNotifyChannelAdmin_ConnectionAlreadyActive'{}} | {'EXCEPTION', #'CosNotifyChannelAdmin_Not- Connected'{}} If The connection have been suspended earlier we can invoke this operation to reinstate the connection. If the connection already is active or no client have been connected to the target object an exception is raised. disconnect_pull_consumer(ProxyPullConsumer) -> ok Types ProxyPullConsumer = #objref Invoking this operation disconnects the client from the target object which then terminates and inform its administrative parent. Ericsson AB cosNotification 1.1.16 CosNotifyChannelAdmin_ProxyPullConsumer(3erl)
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