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.\" generated with Ronn/v0.7.3
.\" http://github.com/rtomayko/ronn/tree/0.7.3
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.TH "KNIFE\-EXEC" "1" "April 2013" "Chef 10.24.4" "Chef Manual"
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.SH "NAME"
\fBknife\-exec\fR \- Run user scripts using the Chef API DSL
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.SH "SYNOPSIS"
\fBknife\fR \fBexec\fR \fI(options)\fR
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.TP
\fB\-E\fR, \fB\-\-exec CODE\fR
Provide a snippet of code to evaluate on the command line
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.SH "DESCRIPTION"
\fBknife exec\fR 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\.
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.SH "EXAMPLES"
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.TP
Make an API call against an arbitrary endpoint
knife exec \-E \'api\.get("nodes/fluke\.localdomain/cookbooks")\'
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.br
=> list of cookbooks for the node \fIfluke\.localdomain\fR
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.TP
Remove the role \fIobsolete\fR from all nodes
knife exec \-E \'nodes\.transform(:all){|n| n\.run_list\.delete("role[obsolete]")}\'
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.TP
Generate the expanded run list for hosts in the \fBwebserver\fR role
knife exec \-E \'nodes\.find(:roles => "webserver") {|n| n\.expand!; n[:recipes]}\'
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.SH "SEE ALSO"
\fBshef(1)\fR
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.SH "AUTHOR"
Chef was written by Adam Jacob \fIadam@opscode\.com\fR with many contributions from the community\.
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.SH "DOCUMENTATION"
This manual page was written by Joshua Timberman \fIjoshua@opscode\.com\fR\. Permission is granted to copy, distribute and / or modify this document under the terms of the Apache 2\.0 License\.
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.SH "CHEF"
Knife is distributed with Chef\. \fIhttp://wiki\.opscode\.com/display/chef/Home\fR
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