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From: | Richard Riley |
Subject: | Re: how to manipulate data like awk or perl when visiting a file |
Date: | Tue, 30 Dec 2008 16:02:45 +0100 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) |
Kevin Rodgers <kevin.d.rodgers@gmail.com> writes: > reader@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 > > Are you familiar with M-| (shell-command-on-region)? See Xah Lee's excellent pages too: http://xahlee.org/emacs/emacs_unix.html
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