message: Improve shell script.
diff: @@ -14,11 +14,10 @@ php ./init.php
  ./swoole_*
  if [ "`cat failed.list | grep "phpt"`" ]; then
  - # read failed list
  - failed_list="`cat failed.list`"
  - failed_list=${failed_list/\\n/ }
  + # replace \n to space
  + failed_list="`tr '\n' ' ' < a`"
  - # replace \n to space and retry
  + # and retry
  ./start.sh \
  --set-timeout 45 \
  --show-diff \
  