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-rw-r--r--distro/common/man/man1/knife-xargs.146
1 files changed, 36 insertions, 10 deletions
diff --git a/distro/common/man/man1/knife-xargs.1 b/distro/common/man/man1/knife-xargs.1
index 245aa346ff..67ee6cf959 100644
--- a/distro/common/man/man1/knife-xargs.1
+++ b/distro/common/man/man1/knife-xargs.1
@@ -1,6 +1,6 @@
.\" Man page generated from reStructuredText.
.
-.TH "KNIFE-XARGS" "1" "Chef 11.14" "" "knife xargs"
+.TH "KNIFE-XARGS" "1" "Chef 11.16" "" "knife xargs"
.SH NAME
knife-xargs \- The man page for the knife xargs subcommand.
.
@@ -31,7 +31,7 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
.in \\n[rst2man-indent\\n[rst2man-indent-level]]u
..
.sp
-The \fBknife xargs\fP subcommand is used to build and execute command lines against objects on a Chef server using standard input.
+The \fBknife xargs\fP subcommand is used to take patterns from standard input, download as JSON, run a command against the downloaded JSON, and then upload any changes.
.sp
\fBSyntax\fP
.sp
@@ -53,7 +53,7 @@ This subcommand has the following options:
.INDENT 0.0
.TP
.B \fB\-0\fP
-Indicates that a \fBNULL\fP character (\fB\e0\fP) will be used as a separator, instead of white space. Default: \fBfalse\fP\&.
+Use to show a \fBNULL\fP character (\fB\e0\fP) instead of white space as the separator. Default: \fBfalse\fP\&.
.TP
.B \fB\-\-chef\-repo\-path PATH\fP
The path to the chef\-repo\&. This setting will override the default path to the chef\-repo\&. Default: same as specified by \fBchef_repo_path\fP in config.rb.
@@ -77,7 +77,7 @@ Use to define a string that will be used to replace all occurrences of a file na
Use to define a string that will be used to replace the first occurrence of a file name. Default: \fBnil\fP\&.
.TP
.B \fB\-\-local\fP
-Indicates that a command line will be built or executed against a local file. Set to \fBfalse\fP to build or execute against a remote file. Default: \fBfalse\fP\&.
+Use to build or execute a command line against a local file. Set to \fBfalse\fP to build or execute against a remote file. Default: \fBfalse\fP\&.
.TP
.B \fB\-n MAX_ARGS\fP, \fB\-\-max\-args MAX_ARGS\fP
The maximum number of arguments per command line. Default: \fBnil\fP\&.
@@ -92,7 +92,7 @@ The layout of the local chef\-repo\&. Possible values: \fBstatic\fP, \fBeverythi
The maximum size (in characters) for a command line. Default: \fBnil\fP\&.
.TP
.B \fB\-t\fP
-Indicates that the print command will be run on the command line. Default: \fBnil\fP\&.
+Use to run the print command on the command line. Default: \fBnil\fP\&.
.TP
.B \fB\-c CONFIG_FILE\fP, \fB\-\-config CONFIG_FILE\fP
The configuration file to use.
@@ -104,7 +104,7 @@ The port on which chef\-zero will listen.
Use to prevent the $EDITOR from being opened and to accept data as\-is.
.TP
.B \fB\-\-defaults\fP
-Use to have Knife use the default value instead of asking a user to provide one.
+Use to have knife use the default value instead of asking a user to provide one.
.TP
.B \fB\-e EDITOR\fP, \fB\-\-editor EDITOR\fP
The $EDITOR that is used for all interactive commands.
@@ -119,7 +119,7 @@ The output format: \fBsummary\fP (default), \fBtext\fP, \fBjson\fP, \fByaml\fP,
Shows help for the command.
.TP
.B \fB\-k KEY\fP, \fB\-\-key KEY\fP
-The private key that Knife will use to sign requests made by the API client to the Chef server\&.
+The private key that knife will use to sign requests made by the API client to the Chef server\&.
.TP
.B \fB\-\-[no\-]color\fP
Use to view colored output.
@@ -131,7 +131,7 @@ Use to show data after a destructive operation.
The URL for the Chef server\&.
.TP
.B \fB\-u USER\fP, \fB\-\-user USER\fP
-The user name used by Knife to sign requests made by the API client to the Chef server\&. Authentication will fail if the user name does not match the private key.
+The user name used by knife to sign requests made by the API client to the Chef server\&. Authentication will fail if the user name does not match the private key.
.TP
.B \fB\-v\fP, \fB\-\-version\fP
The version of the chef\-client\&.
@@ -140,19 +140,45 @@ The version of the chef\-client\&.
Set for more verbose outputs. Use \fB\-VV\fP for maximum verbosity.
.TP
.B \fB\-y\fP, \fB\-\-yes\fP
-Use to respond to all confirmation prompts with "Yes". Knife will not ask for confirmation.
+Use to respond to all confirmation prompts with "Yes". knife will not ask for confirmation.
.TP
.B \fB\-z\fP, \fB\-\-local\-mode\fP
Use to run the chef\-client in local mode. This allows all commands that work against the Chef server to also work against the local chef\-repo\&.
.UNINDENT
.sp
\fBExamples\fP
+.sp
+The following examples show various ways of listing all nodes on the server, and then using Perl to replace \fBgrantmc\fP with \fBgmc\fP:
+.INDENT 0.0
+.INDENT 3.5
+.sp
+.nf
+.ft C
+$ knife list \(aqnodes/*\(aq | knife xargs perl \-ex "s/grantmc/gmc"
+.ft P
+.fi
+.UNINDENT
+.UNINDENT
+.sp
+or without quotes and the backslash escaped:
+.INDENT 0.0
+.INDENT 3.5
+.sp
+.nf
+.ft C
+$ knife list /nodes/\e* | knife xargs perl \-ex "s/grantmc/gmc"
+.ft P
+.fi
+.UNINDENT
+.UNINDENT
+.sp
+or by using the \fB\-\-pattern\fP option:
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
-$ knife deps nodes/*.json | xargs knife upload
+$ knife xargs \-\-pattern \(aq/nodes.*\(aq perl \-ex "s/grantmc/gmc"
.ft P
.fi
.UNINDENT