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

On Mon, 11 May 2020 15:42:10 +0200 Andreas Schwab schwab@linux-m68k.org wrote:

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.

Actually, ftrace doesn't need newline for single command. The reason why we had used echo instead of "echo -n" here, is just for short typing :)

Thank you,