On Wed, 20 Feb 2019 16:37:06 +0100 Juerg Haefliger <juerg.haefli...@canonical.com> wrote:
> In environments where tput is not availbale, we get the following > error > $ ./ftracetest: 163: [: Illegal number: > because ncolors is an empty string. Fix that by setting it to 0 if the > tput command fails. > > Signed-off-by: Juerg Haefliger <jue...@canonical.com> Looks good to me. Acked-by: Masami Hiramatsu <mhira...@kernel.org> Thank you! > --- > tools/testing/selftests/ftrace/ftracetest | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/tools/testing/selftests/ftrace/ftracetest > b/tools/testing/selftests/ftrace/ftracetest > index 75244db70331..fc755e1b50f1 100755 > --- a/tools/testing/selftests/ftrace/ftracetest > +++ b/tools/testing/selftests/ftrace/ftracetest > @@ -154,13 +154,13 @@ fi > > # Define text colors > # Check available colors on the terminal, if any > -ncolors=`tput colors 2>/dev/null` > +ncolors=`tput colors 2>/dev/null || echo 0` > color_reset= > color_red= > color_green= > color_blue= > # If stdout exists and number of colors is eight or more, use them > -if [ -t 1 -a "$ncolors" -a "$ncolors" -ge 8 ]; then > +if [ -t 1 -a "$ncolors" -ge 8 ]; then > color_reset="\e[0m" > color_red="\e[31m" > color_green="\e[32m" > -- > 2.19.1 > -- Masami Hiramatsu <mhira...@kernel.org>
