From: Rusi <rustompmody@gmail.com>
To: help-gnu-emacs@gnu.org
Subject: Re: Search and replace for a single file using a pattern file
Date: Thu, 4 Jan 2018 08:54:29 -0800 (PST) [thread overview]
Message-ID: <86e91daa-2540-4683-8828-e4a0a91563a6@googlegroups.com> (raw)
In-Reply-To: <c2a782e5-34f5-4705-8235-b3ce22423876@googlegroups.com>
On Thursday, January 4, 2018 at 8:36:01 PM UTC+5:30, Rusi wrote:
> On Thursday, January 4, 2018 at 3:32:32 PM UTC+5:30, Angus Comber wrote:
> > I have some horrible logs where integers are printed for states and I want to do a global search and replace on the file to eg replace integer x with a string.
> >
> > I can obviously do individually using c-m-% but that is fairly laborious. So use of a search and replace mapping in a text file would be really convenient.
> >
> > Is this possible? any suggestions?
>
> I'd combine Tomás Robert's solutions:
>
> (defvar my-codes
> '((1 . bread)
> (2 . cheese)
> (3 . wine)))
>
> (defun replace-all ()
> (interactive)
> (dolist (x my-codes)
> (replace-string (number-to-string (car x))
> (symbol-name (cdr x)))))
>
> After which M-x replace-all
> should do it
Probably I should say that sed is the way to do this more than emacs/elisp
$ cat sedsc
s/1/bread/
s/2/cheese/
s/3/wine/
$ cat txt.txt
1 was my first meal
2 came after that and
3 to rinse it all
$ sed -f sedsc txt.txt
bread was my first meal
cheese came after that and
wine to rinse it all
prev parent reply other threads:[~2018-01-04 16:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-04 10:02 Search and replace for a single file using a pattern file Angus Comber
2018-01-04 10:28 ` Robert Pluim
2018-01-04 10:50 ` tomas
2018-01-04 15:05 ` Rusi
2018-01-04 16:54 ` Rusi [this message]
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