Re: [9fans] sam question

[erik quanstrom <quanstro@coraid.com>]

> 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