-e 判断对象是否存在

-d 判断对象是否存在,并且为目录
-f 判断对象是否存在,并且为常规文件
-L 判断对象是否存在,并且为符号链接
-h 判断对象是否存在,并且为软链接
-s 判断对象是否存在,并且长度不为0
-r 判断对象是否存在,并且可读
-w 判断对象是否存在,并且可写
-x 判断对象是否存在,并且可执行
-O 判断对象是否存在,并且属于当前用户
-G 判断对象是否存在,并且属于当前用户组
 
#!/bin/bash



echo "basepath" $basepath
data_predict="/data/data_predict/"
data_predict_path=${basepath}${data_predict}
echo "data_predict_path" $data_predict_path

normal="normal.csv"
normal_file=${data_predict_path}${normal}
echo "normal" $normal_file


if [ ! -d "$data_predict_path" ]; then
   mkdir "$data_predict_path"
fi

if  [ ! -f "$normal_file" ];then
  touch "$normal_file"
fi

 

basepath: /home/kg/qiaoruihua/jupyter_qiao/logistic_regression/gb_model
data_predict_path :/home/kg/qiaoruihua/jupyter_qiao/logistic_regression/gb_model/data/data_predict/
normal: /home/kg/qiaoruihua/jupyter_qiao/logistic_regression/gb_model/data/data_predict/normal.csv

 

12-23 22:57