On 07/02/15 17:21, ael wrote:
This is weird. On Debian testing
ekiga -d 4 2>&1 > /tmp/ekiga.dmp
produces no output: ekiga.dmp is created but is empty.
It is a tricky thing in shell, you need to understand it well. Here it is.
ekiga writes at descriptor 2.
Your command changes descriptor 2 to use the same as 1, i.e. screen
output, afterwards changes the descriptor 1 to use the file. It does
NOT changes 2 to be the same as 1!!
Use ekiga -d 4 2>/tmp/ekiga.dmp.
Variations on the same theme also do not produce the expected output as
for example
ekiga -d 4 2>&1 |less
ekiga -d 4 *does* flood the terminal as expected.
echo "testing" 2>&1 >/tmp/test.txt works properly.
echo writes at descriptor 1, hence this works.
I think that I am closing the output stream on ekiga just by choosing
"Quit" from the ekiga menu.
Am I forgetting/overlooking something elementary? I do hope it is not
systemd fouling things up as usual...
ael
PS. The ekiga manual does not seem to mention the ekiga wiki.
Damien, I think we should add it, right?
--
Eugen
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