Read a line from the DataInputStream socket.

1 socket.in.readLine

<socket.in.readLine>
    <socket /> +
</socket.in.readLine>

Arguments
Name	Type	Required	Unique	Nullable	Description
Esocket	Socket				Socket type object.

Returns
Type	Description
string	String of characters ASCII send by the remote server to which the socket is connected. If an error or a timeout occurs, it returns a null value.

Example

This example simulates LPR client and ask the status of a queue.

Copy

<xsql-script name='socket'>
    <body>
        <!-- open LPR client -->

        <set name='s'>
            <socket host='w2ksrv1' port='515' />
        </set>

        <!-- get queue state -->

        <socket.out.write>
            <s />
            <byte>4</byte>
        </socket.out.write>

        <socket.out.print>
            <s />
            <string>hplj_3330<string.nl /></string>
        </socket.out.print>

        <!-- print response -->

        <while>
            <expr>
                <isnotnull>
                    <set name='line'><socket.in.readLine><s /></socket.in.readLine></set>
                </isnotnull>
            </expr>
            <do>
                <println><line /></println>
            </do>
        </while>
    </body>
</xsql-script>