58 lines
3.8 KiB
HTML
58 lines
3.8 KiB
HTML
<!-- Common Lisp HyperSpec (TM), version 7.0 generated by Kent M. Pitman on Mon, 11-Apr-2005 2:31am EDT -->
|
|
<HTML>
|
|
<HEAD>
|
|
<TITLE>CLHS: Variable *DEFAULT-PATHNAME-DEFAULTS*</TITLE>
|
|
<LINK HREF="../Data/clhs.css" REL="stylesheet" TYPE="text/css" />
|
|
<META HTTP-EQUIV="Author" CONTENT="Kent M. Pitman">
|
|
<META HTTP-EQUIV="Organization" CONTENT="LispWorks Ltd.">
|
|
<LINK REL=TOP HREF="../Front/index.htm">
|
|
<LINK REL=COPYRIGHT HREF="../Front/Help.htm#Legal">
|
|
<LINK REL=DISCLAIMER HREF="../Front/Help.htm#Disclaimer">
|
|
<LINK REL=PREV HREF="f_logi_1.htm">
|
|
<LINK REL=UP HREF="c_filena.htm">
|
|
<LINK REL=NEXT HREF="f_namest.htm">
|
|
</HEAD>
|
|
<BODY>
|
|
<H1><A REV=MADE HREF="http://www.lispworks.com/"><IMG WIDTH=80 HEIGHT=65 ALT="[LISPWORKS]" SRC="../Graphics/LWSmall.gif" ALIGN=Bottom></A><A REL=TOP HREF="../Front/index.htm"><IMG WIDTH=237 HEIGHT=65 ALT="[Common Lisp HyperSpec (TM)]" SRC="../Graphics/CLHS_Sm.gif" ALIGN=Bottom></A> <A REL=PREV HREF="f_logi_1.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Previous]" SRC="../Graphics/Prev.gif" ALIGN=Bottom></A><A REL=UP HREF="c_filena.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Up]" SRC="../Graphics/Up.gif" ALIGN=Bottom></A><A REL=NEXT HREF="f_namest.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Next]" SRC="../Graphics/Next.gif" ALIGN=Bottom></A></H1>
|
|
|
|
<HR>
|
|
|
|
<A NAME="STdefault-pathname-defaultsST"><I>Variable</I> <B>*DEFAULT-PATHNAME-DEFAULTS*</B></A> <P>
|
|
<P><B>Value Type:</B><P>
|
|
<P>
|
|
a <A REL=DEFINITION HREF="26_glo_p.htm#pathname"><I>pathname</I></A> <A REL=DEFINITION HREF="26_glo_o.htm#object"><I>object</I></A>. <P>
|
|
<P><B>Initial Value:</B><P>
|
|
<P>
|
|
An <A REL=DEFINITION HREF="26_glo_i.htm#implementation-dependent"><I>implementation-dependent</I></A> <A REL=DEFINITION HREF="26_glo_p.htm#pathname"><I>pathname</I></A>, typically in the working directory that was current when Common Lisp was started up. <P>
|
|
<P><B>Description:</B><P>
|
|
<P>
|
|
a <A REL=DEFINITION HREF="26_glo_p.htm#pathname"><I>pathname</I></A>, used as the default whenever a <A REL=DEFINITION HREF="26_glo_f.htm#function"><I>function</I></A> needs a default <A REL=DEFINITION HREF="26_glo_p.htm#pathname"><I>pathname</I></A> and one is not supplied. <P>
|
|
<P><B>Examples:</B><P>
|
|
|
|
<PRE>
|
|
;; This example illustrates a possible usage for a hypothetical Lisp running on a
|
|
;; DEC TOPS-20 file system. Since pathname conventions vary between Lisp
|
|
;; implementations and host file system types, it is not possible to provide a
|
|
;; general-purpose, conforming example.
|
|
*default-pathname-defaults* => #P"PS:<FRED>"
|
|
(merge-pathnames (make-pathname :name "CALENDAR"))
|
|
=> #P"PS:<FRED>CALENDAR"
|
|
(let ((*default-pathname-defaults* (pathname "<MARY>")))
|
|
(merge-pathnames (make-pathname :name "CALENDAR")))
|
|
=> #P"<MARY>CALENDAR"
|
|
</PRE>
|
|
</TT> <P>
|
|
<P><B>Affected By:</B><P>
|
|
<P>
|
|
The <A REL=DEFINITION HREF="26_glo_i.htm#implementation"><I>implementation</I></A>. <P>
|
|
<P><B>See Also:</B> None.
|
|
<P>
|
|
<P><B>Notes:</B> None.
|
|
<P>
|
|
<HR>
|
|
|
|
<A REL=NAVIGATOR HREF="../Front/StartPts.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Starting Points]" SRC="../Graphics/StartPts.gif" ALIGN=Bottom></A><A REL=TOC HREF="../Front/Contents.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Contents]" SRC="../Graphics/Contents.gif" ALIGN=Bottom></A><A REL=INDEX HREF="../Front/X_Master.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Index]" SRC="../Graphics/Index.gif" ALIGN=Bottom></A><A REL=INDEX HREF="../Front/X_Symbol.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Symbols]" SRC="../Graphics/Symbols.gif" ALIGN=Bottom></A><A REL=GLOSSARY HREF="../Body/26_a.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Glossary]" SRC="../Graphics/Glossary.gif" ALIGN=Bottom></A><A HREF="../Front/X3J13Iss.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Issues]" SRC="../Graphics/Issues.gif" ALIGN=Bottom></A><BR>
|
|
|
|
<A REL=COPYRIGHT HREF="../Front/Help.htm#Legal"><I>Copyright 1996-2005, LispWorks Ltd. All rights reserved.</I></A><P>
|
|
</BODY>
|
|
</HTML>
|