linux-kernel - Re: [PATCH 3/3] tracing/filters: disallow newline as delimeter

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Message-ID: <20090421095705.GA15448@elte.hu>
Date:	Tue, 21 Apr 2009 11:57:05 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	Tom Zanussi <tzanussi@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] tracing/filters: disallow newline as delimeter


* Li Zefan <lizf@...fujitsu.com> wrote:

> I guess because user input is often ended with '\n' (like "echo 
> xxx"), thus '\n' is used as a delimeter besides ' ', but we can 
> just strip tailing spaces.

Hm, how about:

( echo 'x'
  echo '|| y' ) > filter

type of scripts? Shouldnt the parser be permissive in general?

	Ingo
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