sh脚本为什么无法执行
(base) [yangang@admin ~]$ cd /public/home/yangang/data_zh
(base) [yangang@admin data_zh]$ ls
daymean.sh ERA_hgt mkdir.sh sellatlonbox.sh
ERA_air merge.sh README.txt test.ipynb
(base) [yangang@admin data_zh]$ sh daymean.sh
(base) [yangang@admin data_zh]$ sh sellatlonbox.sh
(base) [yangang@admin data_zh]$ sh merge.sh
(base) [yangang@admin data_zh]$ chmod +x ./daymean.sh
(base) [yangang@admin data_zh]$ ./daymean.sh