Re: Shell script anomaly

[Andreas Nowack <nowack.andreas@gmx.de>]

On 14 May 2002, Alex Malinovich wrote:

> if ps -A |grep -q "[x]screensaver"; then xscreensaver-command -activate
> else xscreensaver& xscreensaver-command -activate; fi
>
> However, if I put that exact line into a shell script and run it, the if
> ALWAYS gets evaluated as true. Any ideas?

I would test the output of grep. So change the line to
  if ps -A |grep -q "[x]screensaver" > /tmp/grep_output; then ...
and look at /tmp/grep_output and you will see why grep returns true.

Best regards,
  Andreas


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