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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 302348778 by methyl on Saturday 29th of August 2009 04:26:14 PM
Old 08-29-2009
Good explanation Reborg.

Slightly off topic but the behaviour of quotes in this context is interesting. In most cases we use quotes to ensure that "find" receives parameters without interference from the shell.
Spot the anomaly in HP-UX 11.11 (which does not have the unquoted {} problem).

Code:
touch 'a b'
find . -type f -name 'a b' -exec echo {} {} \;
./a b ./a b

find . -name 'a b' -exec echo '{}' \;
./a b

find . -name 'a b' -exec echo '{} {}' \;
{} {}

find . -name 'a b' -exec echo '{}' '{}' \;
./a b ./a b


Afterthought with respect to the original post:
Using "rm -f" rather than just "rm" could well hide an error message saying "non-existent" or a "Usage" error.
Last edited by methyl; 08-29-2009 at 05:43 PM.. Reason: Afterthought and various typos
 

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LEARN ABOUT DEBIAN

knife-exec

KNIFE-EXEC(1)							    Chef Manual 						     KNIFE-EXEC(1)

NAME

       knife-exec - Run user scripts using the Chef API DSL

SYNOPSIS

       knife exec (options)

       -E, --exec CODE
	      Provide a snippet of code to evaluate on the command line

DESCRIPTION

       knife exec runs arbitrary ruby scripts in a context similar to that of the shef(1) DSL. See the shef documentation for a description of the
       commands available.

EXAMPLES

       Make an API call against an arbitrary endpoint
	      knife exec -E 'api.get("nodes/fluke.localdomain/cookbooks")'
	      => list of cookbooks for the node fluke.localdomain

       Remove the role obsolete from all nodes
	      knife exec -E 'nodes.transform(:all){|n| n.run_list.delete("role[obsolete]")}'

       Generate the expanded run list for hosts in the webserver role
	      knife exec -E 'nodes.find(:roles => "webserver") {|n| n.expand!; n[:recipes]}'

SEE ALSO

       shef(1)

AUTHOR

       Chef was written by Adam Jacob adam@opscode.com with many contributions from the community.

DOCUMENTATION

       This manual page was written by Joshua Timberman joshua@opscode.com. Permission is granted to copy, distribute and / or modify  this  docu-
       ment under the terms of the Apache 2.0 License.

CHEF

       Knife is distributed with Chef. http://wiki.opscode.com/display/chef/Home

Chef 10.12.0							     June 2012							     KNIFE-EXEC(1)
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