Text editor recommendation

2008-01-24 Thread Oded Arbel
Hi List.

My favorite console text editor is mcedit - I don't subscribe to the
vi/emacs debate. But occasionally I need to edit rather large files, and
mcedit borks at a few megabytes. When this happens I turn to vi (only
because its always available while emacs is a non-default installation
option - I really don't do the whole vi vs. emacs thing) and at several
dozens of megabytes when vi becomes problematic I find that nano
sometimes deliver.

But now I'm looking into text files several gigabytes in size, and every
attempt to open such files in any of the aforementioned options always
ends in me having to kill the process after it brings my (not state of
the art but still rather capable) computer to its knees.

Does such a beast indeed exists ? A text editor that can handle several
gigabytes worth of text (hopefully by not trying to load everything into
main memory) ? A console based editor would be preferable, but I don't
mind X. it doesn't have to be pretty or support funky text handling
commands - it just needs to work.

Thanks.

-- 

Oded


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Re: Text editor recommendation

2008-01-24 Thread Yedidyah Bar-David
On Thu, Jan 24, 2008 at 10:38:05AM +0200, Oded Arbel wrote:
 Hi List.
 
 My favorite console text editor is mcedit - I don't subscribe to the
 vi/emacs debate. But occasionally I need to edit rather large files, and
 mcedit borks at a few megabytes. When this happens I turn to vi (only
 because its always available while emacs is a non-default installation
 option - I really don't do the whole vi vs. emacs thing) and at several
 dozens of megabytes when vi becomes problematic I find that nano
 sometimes deliver.
 
 But now I'm looking into text files several gigabytes in size, and every
 attempt to open such files in any of the aforementioned options always
 ends in me having to kill the process after it brings my (not state of
 the art but still rather capable) computer to its knees.
 
 Does such a beast indeed exists ? A text editor that can handle several
 gigabytes worth of text (hopefully by not trying to load everything into
 main memory) ? A console based editor would be preferable, but I don't
 mind X. it doesn't have to be pretty or support funky text handling
 commands - it just needs to work.

nvi -F
nvi is a near-copy of the original vi, unlike vim which has many
more features, and which is probably what you get when running 'vi'. It
does not read the file to memory. I wouldn't be surprized to find out
that both vim and emacs have options to behave so too, I just do not
know them. '-F' tells it to not copy the file first to /var/tmp, which
it does by default.

But are you sure what you really need is an editor? No real editor
you'll ever find will be very fast and comfortable with such large
files. I'd personally use dd to cut the parts I want to edit first, but
of course that's not always relevant.
-- 
Didi


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Re: Text editor recommendation

2008-01-24 Thread Tzafrir Cohen
On Thu, Jan 24, 2008 at 10:38:05AM +0200, Oded Arbel wrote:

 Does such a beast indeed exists ? A text editor that can handle several
 gigabytes worth of text (hopefully by not trying to load everything into
 main memory) ? A console based editor would be preferable, but I don't
 mind X. it doesn't have to be pretty or support funky text handling
 commands - it just needs to work.

For starters, if you just need to view and search for text, use less.

There's a nice little emacs clone called qemacs. As the 'q' suggests, it
was written by Fabrice Bellard (of Qemu). It has not been developed since 
2003, but is still available as a Debian package.

I've just tried it, and it has opened a large test file quite fast. Just
as well as less. I seem to have hit a bug when trying to search
backwards (ctrl-R). forward-search is ctrl-S and thus seems to hang the
terminal until ctrl-Q is pressed.

-- 
Tzafrir Cohen | [EMAIL PROTECTED] | VIM is
http://tzafrir.org.il || a Mutt's
[EMAIL PROTECTED] ||  best
ICQ# 16849754 || friend

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Fwd: Core file viewer

2008-01-24 Thread yaron

- Forwarded Message -
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, January 24, 2008 11:41:27 AM (GMT+0200) Asia/Jerusalem
Subject: Core file viewer

Hi all,

We got a core file generated from executable program (c++) from CentOs.
We suspect that the core file is corrupted. Is there a way to test the core 
file other than loading it with a debug too (like gdb)? 


Thanks

Yaron Kahanovitch

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Re: Fwd: Core file viewer

2008-01-24 Thread Dotan Shavit
On Thursday 24 January 2008, [EMAIL PROTECTED] wrote:
 Hi all,

 We got a core file generated from executable program (c++) from CentOs.
 We suspect that the core file is corrupted.
Why do you suspect it's corrupted?
Did gdb complain on anything?

#
 Is there a way to test the core 
 file other than loading it with a debug too (like gdb)?


 Thanks

 Yaron Kahanovitch

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