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170 lines
9.3 KiB
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<HTML><HEAD><TITLE>Tcl Built-In Commands - resource manual page</TITLE></HEAD><BODY>
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<DL>
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<DD><A HREF="resource.htm#M2" NAME="L986">NAME</A>
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<DL><DD>resource - Manipulate Macintosh resources</DL>
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<DD><A HREF="resource.htm#M3" NAME="L987">SYNOPSIS</A>
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<DL>
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<DD><B>resource </B><I>option</I> ?<I>arg arg ...</I>?
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</DL>
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<DD><A HREF="resource.htm#M4" NAME="L988">DESCRIPTION</A>
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<DL>
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<DD><A HREF="resource.htm#M5" NAME="L989"><B>resource close </B><I>rsrcRef</I></A>
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<DD><A HREF="resource.htm#M6" NAME="L990"><B>resource delete</B> ?<I>options</I>? <I>resourceType</I></A>
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<DL>
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<DD><A HREF="resource.htm#M7" NAME="L991"><B>-id</B> <I>resourceId</I></A>
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<DD><A HREF="resource.htm#M8" NAME="L992"><B>-name</B> <I>resourceName</I></A>
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<DD><A HREF="resource.htm#M9" NAME="L993"><B>-file</B> <I>resourceRef</I></A>
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</DL>
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<DD><A HREF="resource.htm#M10" NAME="L994"><B>resource files ?</B><I>resourceRef</I>?</A>
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<DD><A HREF="resource.htm#M11" NAME="L995"><B>resource list </B><I>resourceType</I> ?<I>resourceRef</I>?</A>
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<DD><A HREF="resource.htm#M12" NAME="L996"><B>resource open </B><I>fileName</I> ?<I>access</I>?</A>
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<DD><A HREF="resource.htm#M13" NAME="L997"><B>resource read </B><I>resourceType</I> <I>resourceId</I> ?<I>resourceRef</I>?</A>
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<DD><A HREF="resource.htm#M14" NAME="L998"><B>resource types ?</B><I>resourceRef</I>?</A>
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<DD><A HREF="resource.htm#M15" NAME="L999"><B>resource write</B> ?<I>options</I>? <I>resourceType</I> <I>data</I></A>
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<DL>
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<DD><A HREF="resource.htm#M16" NAME="L1000"><B>-id</B> <I>resourceId</I></A>
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<DD><A HREF="resource.htm#M17" NAME="L1001"><B>-name</B> <I>resourceName</I></A>
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<DD><A HREF="resource.htm#M18" NAME="L1002"><B>-file</B> <I>resourceRef</I></A>
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<DD><A HREF="resource.htm#M19" NAME="L1003"><B>-force</B></A>
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</DL>
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</DL>
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<DD><A HREF="resource.htm#M20" NAME="L1004">RESOURCE TYPES</A>
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<DD><A HREF="resource.htm#M21" NAME="L1005">RESOURCE IDS</A>
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<DD><A HREF="resource.htm#M22" NAME="L1006">PORTABILITY ISSUES</A>
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<DD><A HREF="resource.htm#M23" NAME="L1007">SEE ALSO</A>
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<DD><A HREF="resource.htm#M24" NAME="L1008">KEYWORDS</A>
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</DL><HR>
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<H3><A NAME="M2">NAME</A></H3>
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resource - Manipulate Macintosh resources
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<H3><A NAME="M3">SYNOPSIS</A></H3>
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<B>resource </B><I>option</I> ?<I>arg arg ...</I>?<BR>
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<H3><A NAME="M4">DESCRIPTION</A></H3>
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The <B>resource</B> command provides some generic operations for
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dealing with Macintosh resources. This command is only supported on
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the Macintosh platform. Each Macintosh file consists of two
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<I>forks</I>: a <I>data</I> fork and a <I>resource</I> fork. You use the
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normal open, puts, close, etc. commands to manipulate the data fork.
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You must use this command, however, to interact with the resource
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fork. <I>Option</I> indicates what resource command to perform. Any
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unique abbreviation for <I>option</I> is acceptable. The valid options
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are:
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<P>
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<DL>
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<P><DT><A NAME="M5"><B>resource close </B><I>rsrcRef</I></A><DD>
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Closes the given resource reference (obtained from <B>resource
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open</B>). Resources from that resource file will no longer be
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available.
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<P><DT><A NAME="M6"><B>resource delete</B> ?<I>options</I>? <I>resourceType</I></A><DD>
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This command will delete the resource specified by <I>options</I> and
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type <I>resourceType</I> (see RESOURCE TYPES below). The options
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give you several ways to specify the resource to be deleted.
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<P>
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<DL>
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<P><DT><A NAME="M7"><B>-id</B> <I>resourceId</I></A><DD>
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If the <B>-id</B> option is given the id <I>resourceId</I> (see RESOURCE
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IDS below) is used to specify the resource to be deleted. The id must
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be a number - to specify a name use the <B>-name</B> option.
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<P><DT><A NAME="M8"><B>-name</B> <I>resourceName</I></A><DD>
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If <B>-name</B> is specified, the resource named
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<I>resourceName</I> will be deleted. If the <B>-id</B> is also
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provided, then there must be a resource with BOTH this name and
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this id. If no name is provided, then the id will be used regardless
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of the name of the actual resource.
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<P><DT><A NAME="M9"><B>-file</B> <I>resourceRef</I></A><DD>
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If the <B>-file</B> option is specified then the resource will be
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deleted from the file pointed to by <I>resourceRef</I>. Otherwise the
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first resource with the given <I>resourceName</I> and or
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<I>resourceId</I> which is found on the resource file path will be
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deleted. To inspect the file path, use the <I>resource files</I> command.
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<P></DL>
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<P><DT><A NAME="M10"><B>resource files ?</B><I>resourceRef</I>?</A><DD>
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If <I>resourceRef</I>is not provided, this command returns a Tcl list
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of the resource references for all the currently open resource files.
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The list is in the normal Macintosh search order for resources. If
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<I>resourceRef</I> is specified, the command will
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return the path to the file whose resource fork is represented by that
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token.
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<P><DT><A NAME="M11"><B>resource list </B><I>resourceType</I> ?<I>resourceRef</I>?</A><DD>
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List all of the resources ids of type <I>resourceType</I> (see RESOURCE
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TYPES below). If <I>resourceRef</I> is specified then the command will
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limit the search to that particular resource file. Otherwise, all
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resource files currently opened by the application will be searched.
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A Tcl list of either the resource name's or resource id's of the found
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resources will be returned. See the RESOURCE IDS section below for
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more details about what a resource id is.
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<P><DT><A NAME="M12"><B>resource open </B><I>fileName</I> ?<I>access</I>?</A><DD>
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Open the resource for the file <I>fileName</I>. Standard file access
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permissions may also be specified (see the manual entry for <B><A HREF="../TkCmd/open.htm">open</A></B>
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for details). A resource reference (<I>resourceRef</I>) is returned
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that can be used by the other resource commands. An error can occur
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if the file doesn't exist or the file does not have a resource fork.
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However, if you open the file with write permissions the file and/or
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resource fork will be created instead of generating an error.
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<P><DT><A NAME="M13"><B>resource read </B><I>resourceType</I> <I>resourceId</I> ?<I>resourceRef</I>?</A><DD>
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Read the entire resource of type <I>resourceType</I> (see RESOURCE
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TYPES below) and the name or id of <I>resourceId</I> (see RESOURCE IDS
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below) into memory and return the result. If <I>resourceRef</I> is
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specified we limit our search to that resource file, otherwise we
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search all open resource forks in the application. It is important to
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note that most Macintosh resource use a binary format and the data
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returned from this command may have embedded NULLs or other non-ASCII
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data.
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<P><DT><A NAME="M14"><B>resource types ?</B><I>resourceRef</I>?</A><DD>
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This command returns a Tcl list of all resource types (see RESOURCE
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TYPES below) found in the resource file pointed to by
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<I>resourceRef</I>. If <I>resourceRef</I> is not specified it will
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return all the resource types found in every resource file currently
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opened by the application.
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<P><DT><A NAME="M15"><B>resource write</B> ?<I>options</I>? <I>resourceType</I> <I>data</I></A><DD>
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This command will write the passed in <I>data</I> as a new resource of
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type <I>resourceType</I> (see RESOURCE TYPES below). Several options
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are available that describe where and how the resource is stored.
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<P>
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<DL>
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<P><DT><A NAME="M16"><B>-id</B> <I>resourceId</I></A><DD>
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If the <B>-id</B> option is given the id <I>resourceId</I> (see RESOURCE
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IDS below) is used for the new resource, otherwise a unique id will be
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generated that will not conflict with any existing resource. However,
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the id must be a number - to specify a name use the <B>-name</B> option.
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<P><DT><A NAME="M17"><B>-name</B> <I>resourceName</I></A><DD>
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If <B>-name</B> is specified the resource will be named
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<I>resourceName</I>, otherwise it will have the empty string as the
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name.
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<P><DT><A NAME="M18"><B>-file</B> <I>resourceRef</I></A><DD>
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If the <B>-file</B> option is specified then the resource will be
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written in the file pointed to by <I>resourceRef</I>, otherwise the
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most resently open resource will be used.
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<P><DT><A NAME="M19"><B>-force</B></A><DD>
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If the target resource already exists, then by default Tcl will not
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overwrite it, but raise an error instead. Use the -force flag to
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force overwriting the extant resource.
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<P></DL>
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<P></DL>
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<H3><A NAME="M20">RESOURCE TYPES</A></H3>
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Resource types are defined as a four character string that is then
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mapped to an underlying id. For example, <B><A HREF="../TclCmd/text.htm">TEXT</A></B> refers to the
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Macintosh resource type for text. The type <B>STR#</B> is a list of
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counted strings. All Macintosh resources must be of some type. See
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Macintosh documentation for a more complete list of resource types
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that are commonly used.
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<H3><A NAME="M21">RESOURCE IDS</A></H3>
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For this command the notion of a resource id actually refers to two
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ideas in Macintosh resources. Every place you can use a resource Id
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you can use either the resource name or a resource number. Names are
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always searched or returned in preference to numbers. For example,
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the <B>resource list</B> command will return names if they exist or
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numbers if the name is NULL.
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<H3><A NAME="M22">PORTABILITY ISSUES</A></H3>
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The resource command is only available on Macintosh.
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<H3><A NAME="M23">SEE ALSO</A></H3>
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<B><A HREF="../TkCmd/open.htm">open</A></B>
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<H3><A NAME="M24">KEYWORDS</A></H3>
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<A href="../Keywords/O.htm#open">open</A>, <A href="../Keywords/R.htm#resource">resource</A>
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<HR><PRE>
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<A HREF="../copyright.htm">Copyright</A> © 1997 Sun Microsystems, Inc.
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<A HREF="../copyright.htm">Copyright</A> © 1995-1997 Roger E. Critchlow Jr.</PRE>
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</BODY></HTML>
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