>Secondly, where is a good place to read on the standards and formats used
>by these different schemes. In the fsockopen() func, I made some writes
>to 'GET / ' and 'HTTP 1.1' etc... After reading the script, I understand
>what these imply, but not the importance, also, what other commmands are
>available to me. Does that all make sense? I guess more simply put: How
>do I know what commands are availble to me in the different protocals.
>HTTP, FTP, UDP, etc...what if I wanted to get at the data through
>straight TCP, is that possible?
Most protocols are documented in RFC's, such as these:
http://www.w3.org/Protocols/rfc2616/rfc2616.html
http://ftp.ics.uci.edu/pub/ietf/http/rfc1945.html
http://www.ietf.org/rfc/rfc0959.txt
http://www.faqs.org/rfcs/rfc768.html
http://www.ibiblio.org/pub/docs/rfc/rfc793.txt
>Lastly, where should I go to read up on how to make my scripts run
>faster? I haven't written anything to large, but I'm generalyy paranoid
>about overhead, esp in areas I probably don't need to be worried about.
>Silly questions I suppose, like, is it more efficient to echo one long
>string or echo parts of it on separate lines. The latter is easier when
>creating tables and such, because I can comment out individual lines to
>hunt down bugs. But does it make a difference in the runtime of the
>script? Etc....
Knuth's quote, "We should forget about small efficiencies, say about 97%
of the time: premature optimization is the root of all evil", was
probably intended to refer to optimizations like those. I wouldn't worry
about them, especially if shaving a few milliseconds off your script is
going to make it a nightmare to debug or revisit.
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michal migurski- contact info and pgp key:
sf/ca http://mike.teczno.com/contact.html
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