08-25-2016
Oracle Linux issue - all files FTPed to it from windows need to to be processed with dos2UNIX
Hello Friends,
I have observed one recent issue about ftp from windows to Linux.
Initially we had Solaris unix and any file sent from windows to solaris via ftp (binary or ascii) worked smoothly.
Say for e.g if I sent a shell script to soalris from windows, that script used to run corectly. So did an encrypted file which got successfully decrypted on Solaris.
Things changed when we got Redhat linux which replaced solaris and now all the above file transfers have caused issues. In that, once the file was successfully transferred to Linux, and if you open the file in Vi editor, you will see [dos] at the bottom. This is not about ^M characters. I assure that files are sent in correct mode. So we dont get ^M chars. Only the [dos] at the bottom when opened in Vim. so the shell scripts having [dos] at the bottom dont run and error out.
The binary files sent via ftp also dont work when ran on Linux.
Thus, all these files run only when dos2unix is ran on them. On text files the [dos] symbol goes away and bainary files get run successfully then.
My question to experts here is, why in solaris, a file which is sent in correct mode from win to solaris does not need a dos2unix processing and why those files need dos2unix processing when sent from win to Redhad or Oracle Linux.
Thanks,
Albert
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cr(1) General Commands Manual cr(1)
NAME
cr - converts text files between nix EOL and dos EOL
SYNOPSIS
cr - | + <input file> <output file>
DESCRIPTION
Text files, such as tle files, that come from a dos source usualy have the ^M symbol at the end of every line. Cr converts files between
the dos newline format and the normal *nix newline format by stripping the ^M to convert dos to *nix, using the '-' option, or adding ^M to
a *nix file to create the proper dos file when the '+' option is used.
Although this extra character is not often a problem, programs like seesat5, which are data driven will encounter parsing problems when the
extra character is present. It is these problems that cr is intended to repair.
Options
- | + One or the other of these options is required. The '-' option is used to remove ^M from all newlines found in the dos file. The '+'
option is used to add ^M to every newline found in a *nix file.
input file
Fully delineated path to the input file. As this program is used in the dos environment as well, standard input is not used.
output file
Fully delineated path to the output file. As this program is used in the dos environment as well, standart output is not used.
SEE ALSO
seesat5(1), seesat5(7), SEESAT5.INI(5), tle(5)
BUGS
Cr is not an inteligent program. It methodicaly replaces/removes the offending character when it finds it in the correct context. Newline
sequences found in contexts other than 'newline' will be replaced/removed just like those found in the proper context. Passing a binary
file through cr is not advised, for this reason. Send all inqueries to Dale Scheetz <dwarf@polaris.net>.
Debian Linux 2 April 96 cr(1)