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Juerg Haefliger authored
In environments where tput is not available, 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. Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Juerg Haefliger <juergh@canonical.com> Signed-off-by: Shuah Khan <shuah@kernel.org>
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