Okay, this seems to break with the string being searched is wrapped in quotes,
regardless of how many "\" surround it to escape it:
classes:
"Has_ce_nic" expression => returnszero("/bin/grep \\\"ce\\\"
/etc/path_to_inst >/dev/null 2>&1", "useshell");
Note, if I use "noshell" and remove the /dev/null stuff, the expression works.
But that defeats the original point of trying to make this quiet.
Thanks, Jim
----- Original Message -----
From: [email protected]
To: [email protected]
At: 10/26 19:02:46
Forum: Cfengine Help
Subject: Re: how to redirect to /dev/null
Author: joke
Link to topic: https://cfengine.com/forum/read.php?3,18892,18897#msg-18897
I think you should just enable the shell and do shell redirecting.
classes:
"Is_SOL10_U1" expression => returnszero("/bin/grep s10s_u1wos /etc/release
>/dev/null 2>&1", "useshell");
Enabling the shell causes overhead though.
Unfortunately cfengine prohibits using "exec /bin/grep ..." as command. This
would prevent forking a process and save some resources but cfengine requires
the input pattern to begin with a "/".
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