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How is html code read, compared to say python?

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Top Forums Shell Programming and Scripting How is html code read, compared to say python?
# 8  
Old 12-11-2017
HTML has a kind of “shebang” ... its the HTML directive that tells the browser what version of HTML is encoded.

So Yes HTML does not have a shebang that designates the script interpreter. HTML does have a designator for HTML interpretation, as does XML etc.
# 9  
Old 12-11-2017
HTML sort of has a shebang and sort of doesn't. It has something web browsers understand, but doesn't have a UNIX shebang, so ./file.html would just default to 'shell script' and quit with loads of errors.

If you added the shebang #!/usr/bin/php it would work, but only because PHP was designed to operate on HTML!

In short, HTML is not handled at the shell level in UNIX. What you're looking for is in Apache or whatever other web server you have.
# 10  
Old 12-13-2017
Most has already been said, but to summarise:
  1. html - read as a file - read by a browser from a filesystem and rendered into a doc
  2. html - read as a file - read by a web server and streamed to network socket (remote connection)
  3. html - read as a stream - read by a browser from a network socket (website connection) and rendered into a doc
  4. html - read as a stream - passed by a cgi script to a web server to be streamed to a remote connection
  • html is text.
  • An html doc content is sandwiched between the tags <html> </html>


One thing though - html rendering or streaming applications use an additional tag to switch them into "html handling mode" (like a tag that printer streams needed to go into postscript or pcl printing mode)


If you write a cgi in shell/perl/php your text stream needs this at the front:

Here is an example.



<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "blah blah had to remove the link">



I bet there are more options but these are the basics as far as I can tell.
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