<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >Getting information</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="The Hugs 98 User's Guide" HREF="index.html"><LINK REL="UP" TITLE="Using Hugs" HREF="using-hugs.html"><LINK REL="PREVIOUS" TITLE="Loading and editing Haskell module files" HREF="module-commands.html"><LINK REL="NEXT" TITLE="Miscellaneous commands" HREF="misc-commands.html"><LINK REL="STYLESHEET" TYPE="text/css" HREF="hugs-ug.css"></HEAD ><BODY CLASS="SECT1" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >The Hugs 98 User's Guide</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="module-commands.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 2. Using Hugs</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="misc-commands.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="INFO-COMMANDS" >2.3. Getting information</A ></H1 ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT ><A NAME="HELP-COMMAND" ></A ><P ><B CLASS="COMMAND" >:?</B > </P ></DT ><DD ><P >Display a brief summary of the commands listed here.</P ></DD ><DT ><A NAME="NAMES-COMMAND" ></A ><P ><B CLASS="COMMAND" >:names</B > [<TT CLASS="REPLACEABLE" ><I >pattern</I ></TT >...]</P ></DT ><DD ><P >List names that match any of the listed patterns and are defined in any of the currently loaded modules. Patterns resemble filename patterns: <TT CLASS="LITERAL" >*</TT > matches any substring, <TT CLASS="LITERAL" >?</TT > matches any character, <TT CLASS="LITERAL" >[</TT ><TT CLASS="REPLACEABLE" ><I >chars</I ></TT ><TT CLASS="LITERAL" >]</TT > matches any of <TT CLASS="REPLACEABLE" ><I >chars</I ></TT >, with <TT CLASS="REPLACEABLE" ><I >char</I ></TT ><TT CLASS="LITERAL" >-</TT ><TT CLASS="REPLACEABLE" ><I >char</I ></TT > standing for a range of characters, and <TT CLASS="LITERAL" >\</TT ><TT CLASS="REPLACEABLE" ><I >char</I ></TT > matches <TT CLASS="REPLACEABLE" ><I >char</I ></TT >.</P ><P >If no patterns are given, all names defined in any of the currently loaded modules are listed.</P ></DD ><DT ><A NAME="INFO-COMMAND" ></A ><P ><B CLASS="COMMAND" >:info</B > [<TT CLASS="REPLACEABLE" ><I >name</I ></TT >]</P ></DT ><DD ><P >Describe the named objects. Qualified names may be used for objects defined or imported in any loaded module other than the current one.</P ><P >If no arguments are given, the names of all currently loaded files are printed.</P ></DD ><DT ><A NAME="BROWSE-COMMAND" ></A ><P ><B CLASS="COMMAND" >:browse</B > [<CODE CLASS="OPTION" >all</CODE >] [<TT CLASS="REPLACEABLE" ><I >module</I ></TT >...]</P ></DT ><DD ><P >List names exported by the specified modules (which must already be loaded). If <SPAN CLASS="QUOTE" >"<CODE CLASS="OPTION" >all</CODE >"</SPAN > is given, list all names in scope inside the modules. If no modules are given, it describes the current module.</P ></DD ><DT ><A NAME="VERSION-COMMAND" ></A ><P ><B CLASS="COMMAND" >:version</B > </P ></DT ><DD ><P >Print the version of the Hugs interpreter. Major releases of Hugs are identified by a month and year: <PRE CLASS="SCREEN" >Hugs> :version -- Hugs Version November 2003</PRE > Development snapshots are identified by a date in <TT CLASS="REPLACEABLE" ><I >YYYYMMDD</I ></TT > form.</P ></DD ></DL ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="module-commands.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="misc-commands.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Loading and editing Haskell module files</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="using-hugs.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Miscellaneous commands</TD ></TR ></TABLE ></DIV ></BODY ></HTML >
