On 2019-06-20 20:33, Fan, ZhijuX wrote:
> -      ret=`echo "$origin_version < $python_version" |bc`
> -      if [ "$ret" -eq 1 ]; then
> +      if [ "$origin_version" \< "$python_version" ]; then
>          origin_version=$python_version
>          export PYTHON_COMMAND=$python
>        fi


I think using the "-lt" operator might be better (more standard). e.g.:


if [ "$origin_version" -lt "$python_version" ]; then



-- 
Rebecca Cran


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