On Fri, 22 Feb 2019 09:05:34 +0900 Masami Hiramatsu <mhira...@kernel.org> wrote:
> 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> Acked-by: Steven Rostedt (VMware) <rost...@goodmis.org> Shuah, Want to take this? https://lore.kernel.org/lkml/20190220153706.24686-1-jue...@canonical.com/T/#u -- Steve > > 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 > > > >