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Troubleshooting mainframe to Linux FTP

We are trying to FTP files from Mainframe to Linux OS. The files look good when FTP'd from Mainframe to Unix. But Mainframe to Linux puts an extra byte at the end of line. Any help is appreciated. Thanks!!!

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I will try to help, but you didn't say which direction the FTP was going (PUT vs. GET). That is important to know because it could be an FTP server issue or an FTP client issue and I don't know which platform (z/OS or Linux) is the client or server. You also didn't say if this was a binary transfer or ASCII. I am assuming this is an ASCII transfer.

You (or one of your local Unix and Linux admins) should compare all of the FTP server and client default settings between Unix and Linux. However, that still may not provide the answer.

What is in the extra byte? 0x0D? You may be able to use a program on Linux to remove te extra byte. One I have heard of is called "dos2unix". The Unix tr (translate) command can also be used to delete the extra byte. Assuming the extra byte is a carriage return (CR), the command would look like this:

tr -d '\r' ‹input.file ›output.file

Substitute '\r' with 'n' if the extra byte is newline.

Hope this helps.

This was first published in November 2006

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