echo "remove only files, the logs folder and it contents will not be removed"
find /opt/trade-disposal -maxdepth 1 -type f -exec rm -fv {} ;
rm -rf /opt/trade-disposal/scripts
{} 是find的结果
; 是命令终结符，用反斜杠转义
删除/home/raven下，包括子目录里所有名为abc.txt的文件：
find /home/raven -name abc.txt | xargs rm -rf
cp `find * -maxdepth 0 -type f -name "tempest-app-disposal-*.jar" -not -name "*-tests.jar"` /opt/disposal/disposal.jar