Handling of CYGWIN=binmode by bash

[Pierre A. Humblet]

I have noticed an inconsistency in the way ash & bash handle CYGWIN=binmode
in b20 on Win95.
Drive a: is not mounted. It contains a file "empty" and a 
file "crnl" containing CR NL
The program "tell_mode" reports on stderr the modes of stdin and stdout.

bash: mount
Device           Directory           Type        Flags
\\.\tape1:       /dev/st1            native      text!=binary
\\.\tape0:       /dev/st0            native      text!=binary
\\.\b:           /dev/fd1            native      text!=binary
\\.\a:           /dev/fd0            native      text!=binary
c:               /                   native      text=binary

The unexpected results occur with bash on line 5 below (compare with 2).
The redirected input/output are opened as TEXT (I expected BINARY).
Note that as expected the program "cat" opens BINARY under ash and bash
(lines 3 & 6, compared with 8). 

1 ash: echo $CYGWIN
tty binmode
2 ash: tell_mode < a:/empty > a:/out
fd = 0 BINARY
fd = 1 BINARY
3 ash: cat a:/crnl | od -c
0000000  \r  \n

4 bash: echo $CYGWIN
tty binmode
5 bash: tell_mode < a:/empty > a:/out
fd = 0 TEXT
fd = 1 TEXT
6 bash: cat a:/crnl | od -c
0000000  \r  \n

7 bash: CYGWIN=tty
8 bash: cat a:/crnl | od -c
0000000  \n

I am happy to report that all other tests I have performed yield the
expected results.

Pierre

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