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sam: ^ does not need current file

--- a/sys/src/cmd/sam/cmd.c

+++ b/sys/src/cmd/sam/cmd.c

@@ -35,7 +35,7 @@

 	'>',	0,	0,	0,	0,	aDot,	0,	linex,	plan9_cmd,

 	'<',	0,	0,	0,	0,	aDot,	0,	linex,	plan9_cmd,

 	'|',	0,	0,	0,	0,	aDot,	0,	linex,	plan9_cmd,

-	'^',	0,	0,	0,	0,	aDot,	0,	linex,	plan9_cmd,

+	'^',	0,	0,	0,	0,	aNo,	0,	linex,	plan9_cmd,

 	'_',	0,	0,	0,	0,	aDot,	0,	linex,	plan9_cmd,

 	'=',	0,	0,	0,	0,	aDot,	0,	linex,	eq_cmd,

 	'c'|0x100,0,	0,	0,	0,	aNo,	0,	wordx,	cd_cmd,

--- a/sys/src/cmd/sam/xec.c

+++ b/sys/src/cmd/sam/xec.c

@@ -26,7 +26,7 @@

 	if(f && f->unread)

 		load(f);

 	if(f==0 && (cp->addr==0 || cp->addr->type!='"') &&

-	    !utfrune("bBnqUXY!", cp->cmdc) &&

+	    !utfrune("bBnqUXY!^", cp->cmdc) &&

 	    cp->cmdc!=('c'|0x100) && !(cp->cmdc=='D' && cp->ctext))

 		error(Enofile);

 	i = lookup(cp->cmdc);

-- 

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