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<?xml version="1.0" encoding="latin1" ?>
<!DOCTYPE erlref SYSTEM "erlref.dtd">
<erlref>
<header>
<copyright>
<year>1996</year>
<year>2007</year>
<holder>Ericsson AB, All Rights Reserved</holder>
</copyright>
<legalnotice>
The contents of this file are subject to the Erlang Public License,
Version 1.1, (the "License"); you may not use this file except in
compliance with the License. You should have received a copy of the
Erlang Public License along with this software. If not, it can be
retrieved online at http://www.erlang.org/.
Software distributed under the License is distributed on an "AS IS"
basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
the License for the specific language governing rights and limitations
under the License.
The Initial Developer of the Original Code is Ericsson AB.
</legalnotice>
<title>rb</title>
<prepared>Martin Björklund</prepared>
<responsible>Martin Björklund</responsible>
<docno></docno>
<approved>Bjarne Däcker</approved>
<checked></checked>
<date>1996-10-16</date>
<rev>A</rev>
<file>rb.sgml</file>
</header>
<module>rb</module>
<modulesummary>The Report Browser Tool</modulesummary>
<description>
<p>The Report Browser (RB) tool makes it possible to browse and
format error reports written by the error logger handler
<c>log_mf_h</c>.
</p>
</description>
<funcs>
<func>
<name>grep(RegExp)</name>
<fsummary>Search the reports for a regular expression</fsummary>
<type>
<v>RegExp = string() | {string, Options} | mp(), {mp(), Options}</v>
</type>
<desc>
<p>All reports containing the regular expression <c>RegExp</c>
are printed.
</p>
<p><c>RegExp</c> can be a string containing the regular
expression; a tuple with the string and the options for
compilation; a compiled regular expression; a compiled
regular expression and the options for running it.
Refer to the module <c>re</c> and specially the function <c>re:run/3</c>
for a definition of valid regular expressions and options.
</p>
</desc>
</func>
<func>
<name>h()</name>
<name>help()</name>
<fsummary>Print help information</fsummary>
<desc>
<p>Prints the on-line help information.
</p>
</desc>
</func>
<func>
<name>list()</name>
<name>list(Type)</name>
<fsummary>List all reports</fsummary>
<type>
<v>Type = type()</v>
<v>type() = crash_report | supervisor_report | error | progress</v>
</type>
<desc>
<p>This function lists all reports loaded in the
<c>rb_server</c>. Each report is given a unique number that
can be used as a reference to the report in the
<c>show/1</c> function.
</p>
<p>If no <c>Type</c> is given, all reports are listed.
</p>
</desc>
</func>
<func>
<name>rescan()</name>
<name>rescan(Options)</name>
<fsummary>Rescan the report directory</fsummary>
<type>
<v>Options = [opt()]</v>
</type>
<desc>
<p>Rescans the report directory. <c>Options</c> is the same as
for <c>start()</c>.
</p>
</desc>
</func>
<func>
<name>show()</name>
<name>show(Report)</name>
<fsummary>Show reports</fsummary>
<type>
<v>Report = int() | type()</v>
</type>
<desc>
<p>If a type argument is given, all loaded reports of this
type are printed. If an integer argument is given, the
report with this reference number is printed. If no argument
is given, all reports are shown.
</p>
</desc>
</func>
<func>
<name>start()</name>
<name>start(Options)</name>
<fsummary>Start the RB server</fsummary>
<type>
<v>Options = [opt()]</v>
<v>opt() = {start_log, FileName} | {max, MaxNoOfReports} | {report_dir, DirString} | {type, ReportType} | {abort_on_error, Bool}</v>
<v>FileName = string() | standard_io</v>
<v>MaxNoOfReports = int() | all</v>
<v>DirString = string()</v>
<v>ReportType = type() | [type()] | all</v>
<v>Bool = true | false</v>
</type>
<desc>
<p>The function <c>start/1</c> starts the <c>rb_server</c>
with the specified options, while <c>start/0</c> starts with
default options. The <c>rb_server</c> must be started before
reports can be browsed. When the <c>rb_server</c> is
started, the files in the specified directory are
scanned. The other functions assume that the server has
started.
</p>
<p><c>{start_log, FileName}</c> starts logging to file. All
reports will be printed to the named file. The default is
<c>standard_io</c>.
</p>
<p><c>{max, MaxNoOfReports}</c>. Controls how many reports the
<c>rb_server</c> should read on start-up. This option is
useful as the directory may contain 20.000 reports. If this
option is given, the <c>MaxNoOfReports</c> latest reports
will be read. The default is 'all'.
</p>
<p><c>{report_dir, DirString}</c>. Defines the directory where
the error log files are located. The default is <c>{sasl, error_logger_mf_dir}</c>. </p>
<p><c>{type, ReportType}</c>. Controls what kind of reports the
<c>rb_server</c> should read on start-up. <c>ReportType</c>
is a supported type, 'all', or a list of supported
types. The default is 'all'.
</p>
<p><c>{abort_on_error, Bool}</c>. This option specifies whether
or not logging should be aborted if rb encounters an unprintable
report. (You may get a report on incorrect form if the
<c>error_logger</c> function <c>error_msg</c> or
<c>info_msg</c> has been called with an invalid format string).
If <c>Bool</c> is <c>true</c>, rb will stop logging (and print an
error message to stdout) if it encounters a badly formatted report.
If logging to file is enabled, an error message will be appended to
the log file as well.
If <c>Bool</c> is <c>false</c> (which is the default value), rb will
print an error message to stdout for every bad report it
encounters, but the logging process is never aborted. All printable
reports will be written. If logging to file is enabled, rb prints
<c>* UNPRINTABLE REPORT *</c> in the log file at the location of an
unprintable report.
</p>
</desc>
</func>
<func>
<name>start_log(FileName)</name>
<fsummary>Redirect all output to <c>FileName</c></fsummary>
<type>
<v>FileName = string()</v>
</type>
<desc>
<p>Redirects all report output from the RB tool to the
specified file.
</p>
</desc>
</func>
<func>
<name>stop()</name>
<fsummary>Stop the RB server</fsummary>
<desc>
<p>Stops the <c>rb_server</c>.
</p>
</desc>
</func>
<func>
<name>stop_log()</name>
<fsummary>Stop logging to file</fsummary>
<desc>
<p>Closes the log file. The output from the RB tool will be
directed to <c>standard_io</c>.
</p>
</desc>
</func>
</funcs>
</erlref>
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