Thanks, Andy, you expressed it well.  Others on this thread missed my point - grep and find are great, but they solve other problems.

I spend a lot of time configuring routers and switches.  We have software which regularly copies the configuration files for these devices to a server.  Many of these files are thousands of lines long.  I view them in an editor window, while in another window I'm logged into the device, making changes. 
The config files are protected readonly on disk, because it makes no sense to modify them.

Until recently, I used Emacs to open them.  Emacs supports "open file readonly", which means "open the file but disable all commands that change the edit buffer".  If I accidentally do anything that would change the buffer, Emacs beeps and does nothing.  This is quite useful when there are several editor windows open, as it helps keep me from accidentally changing the wrong buffer.  Obviously, when I exit Emacs, it obviously doesn't ask me if I want to save any of the readonly buffers.

Cliff, I think it's probably safe to call Emacs and vim "text editors" :-)  It's very useful to view, seach and navigate a huge config file with a text editor, and I prefer to browse readonly files with the same tool that I use to edit files.  A few days ago I wrote a TextMate language grammar for Juniper router configs, so now TextMate does syntax highlighting and folding of these config files.  It's surprisingly useful.

-- Pete

On Jul 19, 2007, at 9:30 AM, Andy Armstrong wrote:

Cliff Pruitt wrote:
Well, you can mark the file itself as being read-only which will apply
system wide and you wont be able to save it.

If you're wanting to actually prevent being able to modify the open
document then I'd say probably no.  TextMate is a "text editor" by
definition so you'd not really expect to find an option that removes the
ability to edit.

I'f you're wanting a strict text-reader, why specifically are you you
using TextMate?  Is there maybe a better tool for what you're trying to do?

I think you've missed the point Cliff. There are all sorts of reasons
why you'd want to open a document read-only. Other editors have great
r/o support (vim/gvim springs to mind). In general just because you
don't want to change the document doesn't mean you don't want to work
with it in a familiar user interface will all the syntax highlighting,
clever selection modes, folding etc that TextMate brings.

-- 
Andy Armstrong, Hexten

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