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\section[Examples]{Examples}
\label{sec:examples}
\addcontentsline{toc}{section}{\thesection. Examples}
The package provides several simple examples based on \emph{the ZeroMQ guide
for C developers} by Pieter Hintjens~\citep{Hintjens}. These are located in
the \code{demo/} subdirectory of the \pkg{pbdZMQ}
package source, and they include:\\
\begin{center}
\vspace{0.2cm}
\begin{tabular}{ll} \hline\hline
Examples & Descriptions \\ \hline
\code{hwclient.r} & hello world client \\
\code{hwserver.r} & hello world server \\ \hline
\code{tasksink.r} & task sink from two workers \\
\code{taskvent.r} & task ventilator send jobs to two workers \\
\code{taskwork.r} & task workers \\ \hline
\code{wuclient.r} & weather updating client \\
\code{wuserver.r} & weather updating server \\ \hline
\code{mspoller.r} & using poller to receive messages from multiple sockets \\
\code{msreader.r} & receive messages from multiple sockets \\ \hline
\code{mpclient.r} & hello world client in mpltiple part version \\
\code{mpserver.r} & hello world server in mpltiple part version \\ \hline
\hline
\end{tabular}
\end{center}
For instance, the task examples can be run by
\begin{Command}
Rscript taskwork.r &
Rscript taskvent.r
Rscript tasksink.r
### Remember to kill two worker processors at the end, such as
ps -x|grep "file=task.*\.r"|sed "s/\(.*\) pts.*/\1/"|xargs kill -9
\end{Command}
Or, via \code{demo()} function as the hello world example in
Section~\ref{sec:installation}.
The weather updating examples can be run by
\begin{Command}
Rscript wuserver.r &
Rscript wuclient.r
rm weather.ipc
\end{Command}
Or, via \code{demo()} function as the hello world example in
Section~\ref{sec:installation}.
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