我写了一个小
shell脚本(在CentOS上)从我们的APC UPS设备下载统计数据.它工作得很好,但每天cron发送一封包含以下消息的电子邮件：
WARNING! 1 bare lineFeeds received in ASCII mode File may not have transferred correctly.
当我在shell上手动获取文件时,我也收到了该消息.我的脚本的FTP部分如下所示：
ftp -in $ftpip <<END_FTP_DOWNLOAD user $ftpuser $ftppassword get data.txt bye END_FTP_DOWNLOAD
如何摆脱可能会打扰同事的警告信息？
手动FTP连接如下所示.我这次尝试输入“ascii”：
220 AP9617 Network Management Card AOS v2.6.4 FTP server ready. Name (192.168.0.50:myusername): username 331 User name okay,need password. Password: 230 User logged in,proceed. ftp> ascii 200 TYPE Command okay. ftp> get data.txt local: data.txt remote: data.txt 227 Entering Passive Mode (192,168,50,161,31). 125 Data connection already open; transfer starting. WARNING! 1 bare lineFeeds received in ASCII mode File may not have transferred correctly. 226 Closing data connection. 131468 bytes received in 19,3 secs (6,6 Kbytes/sec) ftp> bye 221 Thank you for using APC products!
data.txt有500到800行,最后一行总是空的.
解决方法
尝试使用二进制模式而不是ASCII模式.它应该是这样的：
ftp -in $ftpip << END_FTP_DOWNLOAD user $ftpuser $ftppassword bin get $filename bye END_FTP_DOWNLOAD
