Re: how to manipulate data like awk or perl when visiting a file

[Richard Riley]

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