Hello World
===========
Here is a "Hello, World!" web application written using W3:
>
#!/usr/bin/tclsh
package require w3
proc w3-default {} {
w3-subst {<h1>Hello, World!</h1>\n}
}
w3-start $argv
To run this application using the built-in web-server, store the code above
in a file (here we use the name "hello.tcl") and do:
>
tclsh hello.tcl
To run the app using the built-in web-server bound to all TCP addresses
and listening on port 8080, use:
>
tclsh hello.tcl --server 8080
To run the app as an SCGI server listening on port 9001:
>
tclsh hello.tcl --scgi 9001
To run the application as CGI, make the hello.tcl file executable and
move it into the appropriate directory of the web server.
Further Information
-------------------
* [Introduction To Writing W3 Applications](/doc/trunk/docs/intro.md)
* [Quick Reference](/doc/trunk/docs/quickref.md)
* [W3 Parameters](/doc/trunk/docs/params.md)
* [W3 Commands](/doc/trunk/docs/commands.md)
* [URL Mapping](/doc/trunk/docs/urlmapping.md)
* [Security Features](/doc/trunk/docs/security.md)
* [How To Compile w3tclsh - Or Not](/doc/trunk/docs/compiling.md)
* [Limitations of W3](/doc/trunk/docs/limitations.md)
* [Example Applications](/file/examples)
* [Real-World Uses Of W3](/doc/trunk/docs/usageexamples.md)
* [Debugging Hints](/doc/trunk/docs/debughints.md)