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# 1  
Converting .dat to UNIX

I uploaded a .dat file from sftp to my server and after using dos2unix to convert the file and check my work it says that the file was not transferred correctly and that the content is garbled. Please help
# 2  
What application created your .DAT file? Is it an ASCII file?

Did you transfer the file in a compatible mode? Binary or ASCII mode?

sftp older versions only support binary mode which is still the default on newer versions.

Perhaps you need to try the transfer in ASCII mode.

I suggest you check out/read about the different modes of transfer.
# 3  
I don't think we're dealing with "converting sth. to UNIX". .dat files usually are binary files with an underlying structure understood (more or less) only by the creating and consuming application(s). They are not text files. dos2unix does not apply / do any valuable work. In contrary, it will garble the data.



So, a binary transfer is a must, and on the receiving side an apt application should read, evaluate, and use the binary data. You may want to (binary) compare files before and after transfer.
# 4  
.dat files can be either binary or text.

Ref:

Code:
https://fileinfo.com/extension/dat

Quote:
A DAT file is a generic data file created by a specific application. It may contain data in binary or text format (text-based DAT files can be viewed in a text editor). DAT files are typically accessed only by the application that created them.
Hence, it is more than likely not possible to use dos2unix to convert a .dat file without more information on the file.

Ref:

Code:
https://www.unix.com/man-page/centos/1/dos2unix/

Quote:
The Dos2unix package includes utilities "dos2unix" and "unix2dos" to convert plain text files in DOS or Mac format to Unix format and vice versa.

In DOS/Windows text files a line break, also known as newline, is a combination of two characters: a Carriage Return (CR) followed by a Line Feed (LF). In Unix text files a line break is a single character: the Line Feed (LF). In Mac text files, prior to Mac OS X, a line break was single Carriage Return (CR) character. Nowadays Mac OS uses Unix style (LF) line breaks.
The way to proceed in this question:

Quote:
Originally Posted by Ovid158
I uploaded a .dat file from sftp to my server and after using dos2unix to convert the file and check my work it says that the file was not transferred correctly and that the content is garbled. Please help
... is to know what application created the .dat file and if the file is text or binary.

As Rudi mentioned, it is more than likely binary data; so dos2unix is not going to help as that utility is for text files.

So, the ball is in Ovid158's court to tell us what exact application created the .dat file in question and if the file is binary or text, as hicksd8 requested.

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