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Diffstat (limited to 'lib/stdlib/doc/src/c.xml')
| -rw-r--r-- | lib/stdlib/doc/src/c.xml | 195 |
1 files changed, 122 insertions, 73 deletions
diff --git a/lib/stdlib/doc/src/c.xml b/lib/stdlib/doc/src/c.xml index f2e3d8fb44..92ab59c6b0 100644 --- a/lib/stdlib/doc/src/c.xml +++ b/lib/stdlib/doc/src/c.xml @@ -1,285 +1,334 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1996</year><year>2013</year> + <year>1996</year><year>2016</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. + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. </legalnotice> <title>c</title> <prepared>Joe Armstrong</prepared> <docno>1</docno> - <date>96-10-30</date> + <date>1996-10-30</date> <rev>B</rev> </header> <module>c</module> - <modulesummary>Command Interface Module</modulesummary> + <modulesummary>Command interface module.</modulesummary> <description> - <p>The <c>c</c> module enables users to enter the short form of + <p>This module enables users to enter the short form of some commonly used commands.</p> <note> - <p>These functions are are intended for interactive use in - the Erlang shell only. The module prefix may be omitted.</p> + <p>These functions are intended for interactive use in + the Erlang shell only. The module prefix can be omitted.</p> </note> </description> + <funcs> <func> <name name="bt" arity="1"/> - <fsummary>Stack backtrace for a process</fsummary> + <fsummary>Stack backtrace for a process.</fsummary> <desc> <p>Stack backtrace for a process. Equivalent to <c>erlang:process_display(<anno>Pid</anno>, backtrace)</c>.</p> </desc> </func> + <func> <name name="c" arity="1"/> <name name="c" arity="2"/> - <fsummary>Compile and load code in a file</fsummary> + <fsummary>Compile and load code in a file.</fsummary> <desc> - <p><c>c/1,2</c> compiles and then purges and loads the code for - a file. <c><anno>Options</anno></c> defaults to []. Compilation is + <p>Compiles and then purges and loads the code for a file. + <c><anno>Options</anno></c> defaults to <c>[]</c>. Compilation is equivalent to:</p> <code type="none"> compile:file(<anno>File</anno>, <anno>Options</anno> ++ [report_errors, report_warnings])</code> - <p>Note that purging the code means that any processes + <p>Notice that purging the code means that any processes lingering in old code for the module are killed without - warning. See <c>code/3</c> for more information.</p> + warning. For more information, see <c>code/3</c>.</p> </desc> </func> + <func> <name name="cd" arity="1"/> - <fsummary>Change working directory</fsummary> + <fsummary>Change working directory.</fsummary> <desc> - <p>Changes working directory to <c><anno>Dir</anno></c>, which may be a + <p>Changes working directory to <c><anno>Dir</anno></c>, which can be a relative name, and then prints the name of the new working directory.</p> + <p><em>Example:</em></p> <pre> 2> <input>cd("../erlang").</input> /home/ron/erlang</pre> </desc> </func> + <func> <name name="flush" arity="0"/> - <fsummary>Flush any messages sent to the shell</fsummary> + <fsummary>Flush any messages sent to the shell.</fsummary> <desc> <p>Flushes any messages sent to the shell.</p> </desc> </func> + <func> <name name="help" arity="0"/> - <fsummary>Help information</fsummary> + <fsummary>Help information.</fsummary> <desc> <p>Displays help information: all valid shell internal commands, and commands in this module.</p> </desc> </func> + <func> <name name="i" arity="0"/> <name name="ni" arity="0"/> - <fsummary>Information about the system</fsummary> + <fsummary>System information.</fsummary> <desc> - <p><c>i/0</c> displays information about the system, listing + <p><c>i/0</c> displays system information, listing information about all processes. <c>ni/0</c> does the same, but for all nodes the network.</p> </desc> </func> + <func> <name name="i" arity="3"/> - <fsummary>Information about pid <X.Y.Z></fsummary> + <fsummary>Information about pid <X.Y.Z>.</fsummary> <desc> <p>Displays information about a process, Equivalent to - <c>process_info(pid(<anno>X</anno>, <anno>Y</anno>, <anno>Z</anno>))</c>, but location transparent.</p> + <c>process_info(pid(<anno>X</anno>, <anno>Y</anno>, + <anno>Z</anno>))</c>, but location transparent.</p> </desc> </func> + <func> <name name="l" arity="1"/> - <fsummary>Load or reload module</fsummary> + <fsummary>Load or reload a module.</fsummary> <desc> <p>Purges and loads, or reloads, a module by calling <c>code:purge(<anno>Module</anno>)</c> followed by <c>code:load_file(<anno>Module</anno>)</c>.</p> - <p>Note that purging the code means that any processes + <p>Notice that purging the code means that any processes lingering in old code for the module are killed without - warning. See <c>code/3</c> for more information.</p> + warning. For more information, see <c>code/3</c>.</p> </desc> </func> + <func> <name>lc(Files) -> ok</name> + <fsummary>Compile a list of files.</fsummary> <type> <v>Files = [File]</v> - <v>File = <seealso marker="file#type-filename">file:filename() - </seealso></v> + <v>File</v> </type> - <fsummary>Compile a list of files</fsummary> <desc> - <p>Compiles a list of files by calling <c>compile:file(File, [report_errors, report_warnings])</c> for each <c>File</c> - in <c>Files</c>.</p> + <p>Compiles a list of files by calling + <c>compile:file(File, [report_errors, report_warnings])</c> for each + <c>File</c> in <c>Files</c>.</p> + <p>For information about <c>File</c>, see + <seealso marker="file#type-filename"><c>file:filename()</c></seealso>. + </p> </desc> </func> + <func> <name name="ls" arity="0"/> - <fsummary>List files in the current directory</fsummary> + <fsummary>List files in the current directory.</fsummary> <desc> <p>Lists files in the current directory.</p> </desc> </func> + <func> <name name="ls" arity="1"/> - <fsummary>List files in a directory or a single file</fsummary> + <fsummary>List files in a directory or a single file.</fsummary> <desc> - <p>Lists files in directory <c><anno>Dir</anno></c> or, if Dir is a file, only list it.</p> + <p>Lists files in directory <c><anno>Dir</anno></c> or, if <c>Dir</c> + is a file, only lists it.</p> </desc> </func> + <func> <name name="m" arity="0"/> - <fsummary>Which modules are loaded</fsummary> + <fsummary>Which modules are loaded.</fsummary> <desc> <p>Displays information about the loaded modules, including the files from which they have been loaded.</p> </desc> </func> + <func> <name name="m" arity="1"/> - <fsummary>Information about a module</fsummary> + <fsummary>Information about a module.</fsummary> <desc> <p>Displays information about <c><anno>Module</anno></c>.</p> </desc> </func> + <func> <name name="memory" arity="0"/> - <fsummary>Memory allocation information</fsummary> + <fsummary>Memory allocation information.</fsummary> <desc> <p>Memory allocation information. Equivalent to - <seealso marker="erts:erlang#memory/0"><c>erlang:memory/0</c> - </seealso>.</p> + <seealso marker="erts:erlang#memory/0"><c>erlang:memory/0</c></seealso>.</p> </desc> </func> + <func> <name name="memory" arity="1" clause_i="1"/> <name name="memory" arity="1" clause_i="2"/> - <fsummary>Memory allocation information</fsummary> + <fsummary>Memory allocation information.</fsummary> <desc> <p>Memory allocation information. Equivalent to - <seealso marker="erts:erlang#memory/1"><c>erlang:memory/1</c> - </seealso>.</p> + <seealso marker="erts:erlang#memory/1"><c>erlang:memory/1</c></seealso>.</p> </desc> </func> + <func> <name name="nc" arity="1"/> <name name="nc" arity="2"/> - <fsummary>Compile and load code in a file on all nodes</fsummary> + <fsummary>Compile and load code in a file on all nodes.</fsummary> <desc> <p>Compiles and then loads the code for a file on all nodes. - <c><anno>Options</anno></c> defaults to []. Compilation is equivalent to:</p> + <c><anno>Options</anno></c> defaults to <c>[]</c>. + Compilation is equivalent to:</p> <code type="none"> compile:file(<anno>File</anno>, <anno>Options</anno> ++ [report_errors, report_warnings])</code> </desc> </func> + <func> <name name="nl" arity="1"/> - <fsummary>Load module on all nodes</fsummary> + <fsummary>Load module on all nodes.</fsummary> <desc> <p>Loads <c><anno>Module</anno></c> on all nodes.</p> </desc> </func> + <func> <name name="pid" arity="3"/> - <fsummary>Convert X,Y,Z to a pid</fsummary> + <fsummary>Convert <c>X,Y,Z</c> to a pid.</fsummary> <desc> - <p>Converts <c><anno>X</anno></c>, <c><anno>Y</anno></c>, <c><anno>Z</anno></c> to the pid - <c><![CDATA[<X.Y.Z>]]></c>. This function should only be used when - debugging.</p> + <p>Converts <c><anno>X</anno></c>, <c><anno>Y</anno></c>, + <c><anno>Z</anno></c> to pid <c><![CDATA[<X.Y.Z>]]></c>. + This function is only to be used when debugging.</p> </desc> </func> + <func> <name name="pwd" arity="0"/> - <fsummary>Print working directory</fsummary> + <fsummary>Print working directory.</fsummary> <desc> <p>Prints the name of the working directory.</p> </desc> </func> + <func> <name name="q" arity="0"/> - <fsummary>Quit - shorthand for <c>init:stop()</c></fsummary> + <fsummary>Quit - shorthand for <c>init:stop()</c>.</fsummary> <desc> <p>This function is shorthand for <c>init:stop()</c>, that is, it causes the node to stop in a controlled fashion.</p> </desc> </func> + <func> <name name="regs" arity="0"/> <name name="nregs" arity="0"/> - <fsummary>Information about registered processes</fsummary> + <fsummary>Information about registered processes.</fsummary> <desc> <p><c>regs/0</c> displays information about all registered processes. <c>nregs/0</c> does the same, but for all nodes in the network.</p> </desc> </func> + + <func> + <name name="uptime" arity="0"/> + <fsummary>Print node uptime.</fsummary> + <desc> + <p>Prints the node uptime (as specified by + <c>erlang:statistics(wall_clock)</c>) in human-readable form.</p> + </desc> + </func> + <func> <name>xm(ModSpec) -> void()</name> - <fsummary>Cross reference check a module</fsummary> + <fsummary>Cross-reference check a module.</fsummary> <type> <v>ModSpec = Module | Filename</v> <v> Module = atom()</v> <v> Filename = string()</v> </type> <desc> - <p>This function finds undefined functions, unused functions, + <p>Finds undefined functions, unused functions, and calls to deprecated functions in a module by calling <c>xref:m/1</c>.</p> </desc> </func> + <func> <name>y(File) -> YeccRet</name> - <fsummary>Generate an LALR-1 parser</fsummary> + <fsummary>Generate an LALR-1 parser.</fsummary> <type> - <v>File = name() -- see filename(3)</v> - <v>YeccRet = -- see yecc:file/2</v> + <v>File = name()</v> + <v>YeccRet</v> </type> <desc> <p>Generates an LALR-1 parser. Equivalent to:</p> <code type="none"> yecc:file(File)</code> + <p>For information about <c>File = name()</c>, see + <seealso marker="filename"><c>filename(3)</c></seealso>. + For information about <c>YeccRet</c>, see + <seealso marker="parsetools:yecc#file/1"><c>yecc:file/2</c></seealso>. + </p> </desc> </func> + <func> <name>y(File, Options) -> YeccRet</name> - <fsummary>Generate an LALR-1 parser</fsummary> + <fsummary>Generate an LALR-1 parser.</fsummary> <type> - <v>File = name() -- see filename(3)</v> - <v>Options, YeccRet = -- see yecc:file/2</v> + <v>File = name()</v> + <v>Options, YeccRet</v> </type> <desc> <p>Generates an LALR-1 parser. Equivalent to:</p> <code type="none"> yecc:file(File, Options)</code> + <p>For information about <c>File = name()</c>, see + <seealso marker="filename"><c>filename(3)</c></seealso>. + For information about <c>Options</c> and <c>YeccRet</c>, see + <seealso marker="parsetools:yecc#file/1"><c>yecc:file/2</c></seealso>. + </p> </desc> </func> </funcs> <section> <title>See Also</title> - <p><seealso marker="compiler:compile">compile(3)</seealso>, - <seealso marker="filename">filename(3)</seealso>, - <seealso marker="erts:erlang">erlang(3)</seealso>, - <seealso marker="parsetools:yecc">yecc(3)</seealso>, - <seealso marker="tools:xref">xref(3)</seealso></p> + <p><seealso marker="filename"><c>filename(3)</c></seealso>, + <seealso marker="compiler:compile"><c>compile(3)</c></seealso>, + <seealso marker="erts:erlang"><c>erlang(3)</c></seealso>, + <seealso marker="parsetools:yecc"><c>yecc(3)</c></seealso>, + <seealso marker="tools:xref"><c>xref(3)</c></seealso></p> </section> </erlref> |