[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: how to manipulate data like awk or perl when visiting a file
From: |
poppyer |
Subject: |
Re: how to manipulate data like awk or perl when visiting a file |
Date: |
Mon, 29 Dec 2008 14:19:22 +0800 |
User-agent: |
Emacs Gnus |
rustom <rustompmody@gmail.com> writes:
: On Dec 29, 9:14 am, rea...@newsguy.com wrote:
:> I want to get a leg up on how I might manipulate a file like I can
:> with shell tools or awk/perl.
:>
:> Examples: I want to display only the first field of lines 30 thru 75
:> I want to reverse field 1 and 5 and print those plus 6 of
:> each line.
:> I want to add up the numbers that appears in field 7 of
:> lines 11 through 28 printing the total to ~/sumtot.txt
:>
:> I'd like to see a few basic examples and maybe I'll be able to get the
:> idea enough to do some of that when I need to.
:>
:> I don't really want to start way at the beginning of elisp to get
:> started. I hoped maybe there are some examples like that available
:> in existing info documents.
:>
:> I haven't noticed much talk here about those kinds of chores so maybe
:> elisp isn't a good choice for that?
:
: There was a discussion on something like this a few days ago. See
:
http://groups.google.com/group/gnu.emacs.help/browse_thread/thread/77dc549480d95f92#
This seems not so relevant.
One way I can think of is to replace TAB to | first
and then use orgtbl-mode, the Org Table editor to do the work.
Is there any way without replace TAB first and manipulate them directly?
Cheers,
poppyer