Corinna Vinschen wrote:
On Feb 21 11:58, cygwin....@munub.e4ward.com wrote:
see here:
http://stackoverflow.com/questions/9368783/cygwin-bash-sed-locks-my-files
When I change files in cygwin bash with the sed command, the file gets locked.
Reproduce:
Open cmd and cd to non-user directory (f.e. temp)
echo aaa> test.txt
Open in texteditor, add line, try to save => works
%CYGWIN_HOME%\bin\bash -c "sed -i 's/aaa/bbb/' test.txt
In texteditor, add another line and try to save => "Access denied"
I just had a quick look into the aforementioned thread on stackoverflow.
The answers are a bit off the track. The problem here is that you mix
Windows and Cygwin tools in a directory with weird default permissions
which don't translate nicely to POSIX permissions.
Here's what happens:
- cmd's echo will create the file with default inherited Windows
permission bits. These permission bits don't make a lot of sense
from a POSIX point of view. That's where the ---------+ permissions
come from. That doesn't mean that you have no permissions! Note
the + at the end which means, there's an ACL with additional
permissions attached to the file. Use getfacl(Cygwin) or cacls(Windows)
to print the extra ACEs.
NB: On Win 7 one is informed-- "NOTE: Cacls is now deprecated, please
use Icacls."
Regards,
LA
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