From mboxrd@z Thu Jan  1 00:00:00 1970
From: erik quanstrom <quanstro@coraid.com>
Date: Thu, 17 Jul 2008 20:28:32 -0400
To: 9fans@9fans.net
Message-ID: <0b4d52924ef8760106d73dbc265e2e4b@coraid.com>
In-Reply-To: <0dc26e34a72fb811e50d5cafcfd16402@9netics.com>
References: <0dc26e34a72fb811e50d5cafcfd16402@9netics.com>
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Subject: Re: [9fans] sam question
Topicbox-Message-UUID: eb1ac0d0-ead3-11e9-9d60-3106f5b1d025

> related to the earlier discussion, for stripping the \r at the end of
> lines in windows files, i use:
>
> 	,x/<CR>$/ c//
>
> where <CR> is a cut&pasted return char (yes, i could use '.' instead,
> but i'm paranoid.) x doesn't seem to recognize \r as a escape
> sequence.  true?

no they don't: sam/regexp.c and acme/regx.c both have a lex function
that starts basically like this (from acme)

int
lex(void){
	int c;

	c = *exprp++;
	switch(c){
	case '\\':
		if(*exprp)
			if((c= *exprp++)=='n')
				c='\n';

i suppose you could also type <compose>000d.

- erik