Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Andreas Schwab <schwab@linux-m68k.org>
To:     Masami Hiramatsu <mhiramat@kernel.org>
Cc:     Shuah Khan <shuah@kernel.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
        Tom Zanussi <tom.zanussi@linux.intel.com>,
        Li Philip <philip.li@intel.com>,
        Liu Yiding <yidingx.liu@intel.com>,
        Xiao Yang <yangx.jy@cn.fujitsu.com>,
        David Laight <David.Laight@ACULAB.COM>
Subject: Re: [PATCH v2] selftests/ftrace: Use printf for backslash included
 command
References: <87imh21x6f.fsf@igel.home>
        <158920418730.16156.8299185499520876735.stgit@devnote2>
Date:   Mon, 11 May 2020 15:42:10 +0200
In-Reply-To: <158920418730.16156.8299185499520876735.stgit@devnote2> (Masami
        Hiramatsu's message of "Mon, 11 May 2020 22:36:27 +0900")
Message-ID: <87eerq1tcd.fsf@igel.home>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.91 (gnu/linux)
MIME-Version: 1.0
Content-Type: text/plain
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Mai 11 2020, Masami Hiramatsu wrote:

> -    (! echo "$command" >> "$3" ) 2> /dev/null
> +    (! printf "%s" "$command" >> "$3" ) 2> /dev/null

printf %s does not print a newline, you need printf '%s\n' for that.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."