# Delete all ._ prefixed files under datax/plugin/reader, because there will be hidden jar packages under this folder, so use ._*er to match
find /opt/module/datax/plugin/reader/ -type f -name "._*er" | xargs rm -rf
# Delete all ._ prefixed files under datax/plugin/writer, because there will be hidden jar packages under this folder, so use ._*er to match
find /opt/module/datax/plugin/writer/ -type f -name "._*er" | xargs rm -rf