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Full Discussion: Using "find" and "-exec rm" ... Just no luck :(
Top Forums UNIX for Dummies Questions & Answers Using "find" and "-exec rm" ... Just no luck :( Post 302355035 by methyl on Monday 21st of September 2009 09:37:40 AM
Old 09-21-2009
Hi jiliagre, point taken (at last!). The exact space character in the filename is your issue. We don't know exactly what triggered the fault, only that quoting the braces fixed it. We don't know that the character was a actually a space character.

I do understand the documented normal behaviour of current "find ... -exec" and the passing of one argument via '{}'.

I have had the issue myself in the past with exact space characters in mainstream unix and have now traced the version tree of "find ... -exec" for what it is worth. Due to a parallel issue with "-exec" ("too many forks") I mostly used a construct which avoided "-exec" for large numbers of files. The variant just composed the command line using "normal" shell substitution and then executed the command line in parallel. The current "-exec" does not behave like this.

I too can find no current mainstream unix or Linux with the same variant documented and for completeness I'd be quite interested in any shell construct which interfered with '{}' in this context.

Right fix, wrong reason!
 

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LEARN ABOUT DEBIAN

aa-exec

AA-EXEC(8)							     AppArmor								AA-EXEC(8)

NAME

       aa-exec - confine a program with the specified AppArmor profile

SYNOPSIS

       aa-exec [options] [--] [<command> ...]

DESCRIPTION

       aa-exec is used to launch a program confined by the specified profile and or namespace.	If both a profile and namespace are specified
       command will be confined by profile in the new policy namespace.  If only a namespace is specified, the profile name of the current
       confinement will be used.  If neither a profile or namespace is specified command will be run using standard profile attachment (ie. as if
       run without the aa-exec command).

       If the arguments are to be pasted to the <command> being invoked by aa-exec then -- should be used to separate aa-exec arguments from the
       command.
	 aa-exec -p profile1 -- ls -l

OPTIONS aa-exec accepts the following arguments:
       -p PROFILE, --profile=PROFILE
	   confine <command> with PROFILE. If the PROFILE is not specified use the current profile name (likely unconfined).

       -n NAMESPACE, --namespace=NAMESPACE
	   use profiles in NAMESPACE.  This will result in confinement transitioning to using the new profile namespace.

       -f FILE, --file=FILE
	   a file or directory containing profiles to load before confining the program.

       -i, --immediate
	   transition to PROFILE before doing executing <command>.  This subjects the running of <command> to the exec transition rules of the
	   current profile.

       -v, --verbose
	   show commands being performed

       -d, --debug
	   show commands and error codes

       --  Signal the end of options and disables further option processing. Any arguments after the -- are treated as arguments of the command.
	   This is useful when passing arguments to the <command> being invoked by aa-exec.

BUGS

       If you find any bugs, please report them at <http://https://bugs.launchpad.net/apparmor/+filebug>.

SEE ALSO

       aa-stack(8), aa-namespace(8), apparmor(7), apparmor.d(5), aa_change_profile(3), aa_change_onexec(3) and <http://wiki.apparmor.net>.

AppArmor 2.7.103						    2012-06-28								AA-EXEC(8)
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