linux-kernel - Re: [PATCH v2] selftests/ftrace: Use printf for backslash included command

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Message-ID: <87eerq1tcd.fsf@igel.home>
Date:   Mon, 11 May 2020 15:42:10 +0200
From:   Andreas Schwab <schwab@...ux-m68k.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Shuah Khan <shuah@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        Tom Zanussi <tom.zanussi@...ux.intel.com>,
        Li Philip <philip.li@...el.com>,
        Liu Yiding <yidingx.liu@...el.com>,
        Xiao Yang <yangx.jy@...fujitsu.com>,
        David Laight <David.Laight@...LAB.COM>
Subject: Re: [PATCH v2] selftests/ftrace: Use printf for backslash included
 command

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@...ux-m68k.org
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