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'\" t
.\"
.TH "\FBPERROR\FR" "1" "14/12/2015" "MariaDB 10\&.1" "MariaDB Database System"
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.\" perror
.\" error messages: displaying
.\" errno
.\" Errcode
.SH "NAME"
perror \- explain error codes
.SH "SYNOPSIS"
.HP \w'\fBperror\ [\fR\fB\fIoptions\fR\fR\fB]\ \fR\fB\fIerrorcode\fR\fR\fB\ \&.\&.\&.\fR\ 'u
\fBperror [\fR\fB\fIoptions\fR\fR\fB] \fR\fB\fIerrorcode\fR\fR\fB \&.\&.\&.\fR
.SH "DESCRIPTION"
.PP
For most system errors, MariaDB displays, in addition to an internal text message, the system error code in one of the following styles:
.sp
.if n \{\
.RS 4
.\}
.nf
message \&.\&.\&. (errno: #)
message \&.\&.\&. (Errcode: #)
.fi
.if n \{\
.RE
.\}
.PP
You can find out what the error code means by examining the documentation for your system or by using the
\fBperror\fR
utility\&.
.PP
\fBperror\fR
prints a description for a system error code or for a storage engine (table handler) error code\&.
.PP
Invoke
\fBperror\fR
like this:
.sp
.if n \{\
.RS 4
.\}
.nf
shell> \fBperror [\fR\fB\fIoptions\fR\fR\fB] \fR\fB\fIerrorcode\fR\fR\fB \&.\&.\&.\fR
.fi
.if n \{\
.RE
.\}
.PP
Example:
.sp
.if n \{\
.RS 4
.\}
.nf
shell> \fBperror 13 64\fR
OS error code 13: Permission denied
OS error code 64: Machine is not on the network
.fi
.if n \{\
.RE
.\}
.PP
Note that the meaning of system error messages may be dependent on your operating system\&. A given error code may mean different things on different operating systems\&.
.PP
\fBperror\fR
supports the following options\&.
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
.\" perror: help option
.\" help option: perror
\fB\-\-help\fR,
\fB\-\-info\fR,
\fB\-I\fR,
\fB\-?\fR
.sp
Display a help message and exit\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
.\" perror: silent option
.\" silent option: perror
\fB\-\-silent\fR,
\fB\-s\fR
.sp
Silent mode\&. Print only the error message\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
.\" perror: verbose option
.\" verbose option: perror
\fB\-\-verbose\fR,
\fB\-v\fR
.sp
Verbose mode\&. Print error code and message\&. This is the default behavior\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
.\" perror: version option
.\" version option: perror
\fB\-\-version\fR,
\fB\-V\fR
.sp
Display version information and exit\&.
.RE
.SH "COPYRIGHT"
.br
.PP
Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc., 2010-2015 MariaDB Foundation
.PP
This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License.
.PP
This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
.PP
You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/.
.sp
.SH "SEE ALSO"
For more information, please refer to the MariaDB Knowledge Base, available online at https://mariadb.com/kb/
.SH AUTHOR
MariaDB Foundation (http://www.mariadb.org/).
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