终端读取数据表头

head -1 /mnt/daytime.csv

写sh脚本读取表头

[root@nhost21 mnt]# more zz.sh
#!/bin/bash
MM=`head -1 /mnt/daytime.csv`
echo $MM > newFile
echo $MM

运行sh脚本,得到结果

[jhadmin@nhost21 mnt]$ source zz.sh
: Permission denied
timeday,AQI