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fix HTML example to use correct line terminator CR LF

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zimoch
2022-07-04 12:06:42 +02:00
parent 2915830b02
commit 8746dea7cf
1 changed files with 10 additions and 8 deletions
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18
docs/tipsandtricks.html
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@ -293,9 +293,10 @@ record (stringout, "$(DEVICE):clean_2") {<br>
<a name="web"></a>
<h2>I need to read a web page</h2>
<p>
First you have to send a correctly formatted HTML request.
Note that this request must contain the full URL like
"http://server/page" and must be terminated with <u>two</u> newlines.
First you have to send a correctly formatted HTML header for a GET request.
Note that this header must contain the full URL like
"http://server/page" and must be terminated with <u>two</u>
CR LF sequences (<code>"\r\n\r\n"</code> or <code>CR LF CR LF</code>).
The server should be the same as in the
<a href="setup.html#sta"><code>drvAsynIPPortConfigure</code></a>
command (if not using a http proxy).
@ -313,17 +314,18 @@ Read the title of a web page.
get_title {<br>
&nbsp;&nbsp;extrainput = ignore;<br>
&nbsp;&nbsp;replyTimeout = 1000;<br>
&nbsp;&nbsp;out "GET http://\$1\n\n";<br>
&nbsp;&nbsp;out "GET http://\$1\r\n\r\n";<br>
&nbsp;&nbsp;in "%+.1/(?im)&lt;title&gt(.*)&lt\/title&gt;/";<br>
}
</code>
</p>
<p>
Terminate the request with two newlines, either explicit like here
<u>or</u> using an
Terminate the request with two carriage return + newlines, either explicit
like here <u>or</u> using an
<a href="protocol.html#sysvar"><code>outTerminator</code></a>.
The URI (without http:// but including the web server host name)
is passed as <a href="protocol.html#argvar">argument</a> 1 to <code>\$1</code>.
is passed as <a href="protocol.html#argvar">argument</a> 1 to <code>\$1</code>
in this example.
Note that web servers may be slow, so allow some
<a href="protocol.html#argvar"><code>replyTimeout</code></a>.
</p>
@ -390,7 +392,7 @@ Then we read the number.
get_title {<br>
&nbsp;&nbsp;extrainput = ignore;<br>
&nbsp;&nbsp;replyTimeout = 1000;<br>
&nbsp;&nbsp;out "GET http://\$1\n\n";<br>
&nbsp;&nbsp;out "GET http://\$1\r\n\r\n";<br>
&nbsp;&nbsp;in "%*/Interesting value:/%f more text";<br>
}
</code>