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Re: Reality check needed ....

• To: xml-dev@l...
• Subject: Re: Reality check needed ....
• From: Miles Sabin <miles@m...>
• Date: Wed, 7 Aug 2002 15:43:36 +0100
• In-reply-to: <E17cRUw-0004YS-00@c...>
• References: <003901c23e18$48813640$1fc8c8c8@mitchum> <200208071500.11262.miles@m...> <E17cRUw-0004YS-00@c...>

Alaric B. Snell wrote,
> On Wednesday 07 August 2002 15:00, Miles Sabin wrote:
> > How does that help me on the command line? How do I do this,
> >
> >   % find . -type f -name "*.java" -print
>
> That nearly answers itself :-)

OK, here's a better example. Suppose I have Foo.java and Foo.class in 
the same directory (that's not unusual). The output of ls, looks like 
this,

  % ls
  Foo.class  Foo.java

Simply removing the extensions would get you this,

  % ls
  Foo  Foo

which is unhelpful. So you'd probably have some reverse mapping from 
MIME types to visible metadata, eg.,

  % ls
  Foo [application/octet-stream] Foo [text/plain]

Now this still isn't all that helpful, so we'd probably need some type 
system that went a bit beyond MIME. We might end up with,

  % ls
  Foo [java-class] Foo [java-source]

And while we're at it, we might as well have shell globbing recognize 
this syntax, ie.,

  % ls * [java-source]
  % ls Foo [*]
  % find -type f -name "* [java-source]" -print

And then, because we're conservative, we notice that if we jiggle the 
syntax a little,

  ' [' -> '.'
  ']'  -> ''

that we get back to something very familiar,

  % ls
  Foo.java-class  Foo.java-source

Can anyone tell me what's _really_ changed ;-)

Cheers,


Miles

• References:
  • RE: Reality check needed ....
    • From: Bill de hÓra <bill.dehora@p...>
  • Re: Reality check needed ....
    • From: Miles Sabin <miles@m...>
  • Re: Reality check needed ....
    • From: "Alaric B. Snell" <alaric@a...>

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