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From: Frank Winkler <usenet@f.winkler-ka.de>
Newsgroups: comp.unix.shell
Subject: Re: Different variable assignments
Date: Thu, 24 Oct 2024 11:30:34 +0200
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On 15.10.2024 13:46, I wrote:

  >The thing in question does
  >
  >tty=`tty`
  >sudo openconnect -b ... |\
  >   tee $tty | grep "^Session authentication will expire at" |\
  >   cut -d ' ' -f 7- | read end
  >
  >and this completely fails. Terminal output is missing, $end is empty and
  >the whole command doesn't seem to work. Without the last two lines, it's
  >working perfectly.
  >"sudo" also doesn't seem to be the problem as simple tests are working.

After some more testing with just a "tee" into a file, it looks like the 
pipe starts OC and writes its output (including the part I want to 
"grep" in to the file but then hangs. Everything following this line in 
the script doesn't seem to be done, anyway. Maybe some effect of the 
background option?

Regards

	fw