Mail Archives: cygwin/2007/09/14/11:09:24
Hello,
I am writing bash scripts that are required to run unchanged (as much as
possible) on Cygwin and Linux.
A (small) detail I am having problems with is the issue of redirecting
output to the null device, or bit-bucket.
If I write the following
ls > nul
It works as expected under Cygwin, however under Linux I must write
ls > /dev/null
I searched and found discussions on the Cygwin mailing list that seemed
to say that Cygwin supported (supports?) the /dev/null device, but I
checked my installation and this pseudo-device didn't seem to exist on
my system. The '/dev' folder was missing.
I discovered that if I created the folder '/dev', afterwards
the /dev/null device existed, even if it does not appear as an actual
file under /dev
I installed cygwin only a few weeks ago using the
http://www.cygwin.com/setup.exe method, and it was missing the /dev
folder.
I compared this to the other machines around me which are running a
version of Cygwin which is about two years old, same results: /dev is
missing, but creating it unleashes the /dev/null pseudo-device.
I'm wondering what is the best way to deal with this? I'd like the
scripts to work straight out of the box and not have to make the users
create their own /dev and creating it for them would be tedious because
every script would have to check for this...
Any advice?
Puzzled about nothing.
J
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