Thanks Martin,
Then, how to bring up an environment variable a to a shell variable b?
command
b=`{cat /env/a}
does not work all the time.
On 2006/08/09, at 20:03, Martin Neubauer wrote:
Hello,
I don't think that this really is weird. My understanding is that
the terminating '\0' is not treated as part of the content of a
string but merely of its representation in memory. So if you output
a null string, you don't actually output anything (and therefore
assign nothing to $b). That then explains why xd fails to open $a
(which is an actual string, albeit with length zero) and waits for
standard input because $b isn't expanded to anything.
I hope my attempt at an explanation wasn't utter nonsense and helped
clarifying a bit.
Regards,
Martin
