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Reply-To: <chris DOT day AT pinky DOT co DOT uk>
From: <chris DOT day AT pinky DOT co DOT uk>
To: <cygwin AT cygwin DOT com>
Subject: carriage return newline being appended when using redirection in binary mode
Date: Mon, 15 Apr 2019 12:56:46 +0100
Message-ID: <004201d4f382$4da27ee0$e8e77ca0$@pinky.co.uk>
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Hi -

I'm having problems with carriage return newline being appended when using
redirection in binary mode. If I pipe to cat and redirect the newline is
preserved, which is odd.

CYGWIN_NT-10.0 edmund 3.0.6(0.338/5/3) 2019-04-06 16:18 x86_64 Cygwin

chrisd AT edmund:chrisd > mount
E:/abinitio/cygwin/bin on /usr/bin type ntfs (binary,auto)
E:/abinitio/cygwin/lib on /usr/lib type ntfs (binary,auto)
E:/abinitio/cygwin on / type ntfs (binary,auto)
C: on /cygdrive/c type ntfs (binary,posix=0,user,noumount,auto)
D: on /cygdrive/d type ntfs (binary,posix=0,user,noumount,auto)
E: on /cygdrive/e type ntfs (binary,posix=0,user,noumount,auto)
F: on /cygdrive/f type ntfs (binary,posix=0,user,noumount,auto)
G: on /cygdrive/g type ntfs (binary,posix=0,user,noumount,auto)
H: on /cygdrive/h type vfat (binary,posix=0,user,noumount,auto)
Q: on /cygdrive/q type ntfs (binary,posix=0,user,noumount,auto)
chrisd AT edmund:chrisd > echo "Hello"
Hello
chrisd AT edmund:chrisd > echo "Hello"  | od -c
0000000   H   e   l   l   o  \n
0000006
chrisd AT edmund:chrisd > echo "Hello"  > foo.txt
chrisd AT edmund:chrisd > od -c foo.txt
0000000   H   e   l   l   o  \r  \n
0000007
chrisd AT edmund:chrisd > echo "Hello"  | cat > foo.txt
chrisd AT edmund:chrisd > od -c foo.txt
0000000   H   e   l   l   o  \n
0000006

This does seem contrary to the following posts

https://sourceware.org/ml/cygwin/2017-02/msg00152.html
https://sourceware.org/ml/cygwin/2017-02/msg00188.html
https://sourceware.org/ml/cygwin/2017-02/msg00189.html


Cheers

Chris Day


c: +44 7930 909 297
p: +44 115 714 0869
s: bigchrisday
https://www.linkedin.com/in/chrisdayabinitio/


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