Home » Community » Coffee corner » Proof of concept: running Tcl scripts in Skylark
| Proof of concept: running Tcl scripts in Skylark [message #38527] |
Fri, 21 December 2012 16:59  |
lectus
Messages: 329
Registered: September 2006
Location: Brazil
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Senior Member |
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1) Download tclkitsh (Single exe Tcl runtime, without Tk) from http://code.google.com/p/tclkit/downloads/list
2) Create a folder /tcl-scripts in the app executable path.
3) Add this handler to your Skylark App:
SKYLARK(CGITcl, "/tcl/*")
{
String cmd = "tclkitsh.exe tcl-scripts/" + http[0];
LocalProcess p(cmd);
String buffer="";
String data;
while(p.Read(data))
buffer += data;
if(p.IsRunning())
p.Kill();
http << buffer;
}
4) Add links to .tcl files in your .witz files:
<a href="/tcl/time.tcl">Time server</a>
5) Write Tcl code:
tcl-scripts/time.tcl
puts "<html><head><title>Tiny CGI time server</title></head>
<body><h1>Time server</h1>
Time now is: [clock format [clock seconds]]<br>
<hr>
<a href=\"http://127.0.0.1:8001/cgi_test\">Index</a>
</body></html>"
Explanation of the code above: the command [clock seconds] returns the time. And [clock format] formats the time in human readable form.
I suggest using environment variables to return data.
This can be adapted to Python, Perl, Lua, whatever.
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