Re: Escape {} in shellcommnads?

[Mark Burgess]

This is a bug, which I have now fixed in 2.1.19
M

On Thu, 2006-02-23 at 14:55 -0500, christian pearce wrote:
> Not certain how this fixed it but this is the issue I had with it.
> 
> [root@hsysnav01 root]# cat cf.awk
> control:
> 
>     actionsequence = ( shellcommands )
> 
> shellcommands:
> 
>     "/bin/echo 'test test2' | /bin/awk '{ print $2 }'"
> [root@hsysnav01 root]# cfagent -f ./cf.awk -IK
> cf:cfengine::./cf.awk:8: Incomplete variable syntax or bracket mismatch
> [root@hsysnav01 root]# vi cf.awk
> [root@hsysnav01 root]# cat cf.awk
> control:
> 
>     actionsequence = ( shellcommands )
> 
> shellcommands:
> 
>     "/bin/echo 'test test2' | /bin/awk '{ print ${dollar}2 }'"
> [root@hsysnav01 root]# cfagent -f ./cf.awk -IK
> cfengine:: Executing script /bin/echo 'test test2' | /bin/awk '{ print
> $2 }'...(timeout=0,uid=-1,gid=-1)
> cfengine::/bin/echo 'test: test2
> cfengine:: Finished script /bin/echo 'test test2' | /bin/awk '{ print $2 }'
> [root@hsysnav01 root]#
> 
> 
> Notice I changed $2 -> ${dollar}2
> 
> On 2/10/06, Josh Hurd <JoshH@revenuescience.com> wrote:
> >
> > I was able to solve this problem with the following:
> > control:
> >         openBrace = ( "{" )
> >         closeBrace = ( "}" )
> > shellcommand:
> >         "/bin/ps axo \"stime,pid,command\" | /bin/awk ' ${openBrace} print
> > $2 ; ${closeBrace} ' "
> >
> > not sure if this is the most graceful method but it works!
> >
> > Josh
> >
> >  ________________________________
> >  From: Josh Hurd
> > Sent: Friday, February 10, 2006 1:30 PM
> > To: help-cfengine@gnu.org
> > Subject: Escape {} in shellcommnads?
> >
> >
> >
> >
> > I am trying to run a shellcommand that includes a call to awk.  Awk requires
> > the use of braces but CFE treats tham as variable substitutuions.  I have
> > tried escaping them with \ with no success.  I've tried using single quotes
> > and double quotes.
> >
> > Here is a sample:
> > "/bin/ps axo \"stime,pid,command\" |  /bin/awk ' {print $2 ;} ' "
> >
> > The error returned is:
> > Incomplete variable syntax or bracket mismatch
> >
> > Does anyone know how to pull this off?  I don't want to deploy a one line
> > shell script to all my clients.
> >
> > Thanks!
> > Josh
> > _______________________________________________
> > Help-cfengine mailing list
> > Help-cfengine@gnu.org
> > http://lists.gnu.org/mailman/listinfo/help-cfengine
> >
> >
> >
> 
> 
> --
> Christian Pearce
> 
> 
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