- for python in $(whereis python3)
- do
- python=$(echo $python | grep "[[:digit:]]$" || true)
- python_version=${python##*python}
- if [ -z "${python_version}" ] || (! command -v $python >/dev/null 2>&1);then
- continue
- fi
- if [ -z $origin_version ];then
- origin_version=$python_version
- export PYTHON_COMMAND=$python
- continue
- fi
- ret=`echo "$origin_version < $python_version" |bc`
- if [ "$ret" -eq 1 ]; then
- origin_version=$python_version
- export PYTHON_COMMAND=$python
- fi
- done
- return 0
+ if [ -z $origin_version ];then
+ origin_version=$python_version
+ export PYTHON_COMMAND=$python
+ continue
+ fi
+ if [[ "$origin_version" < "$python_version" ]]; then
+ origin_version=$python_version
+ export PYTHON_COMMAND=$python
+ fi
+ done
+ return 0