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<HTML LANG="en-us"
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>user-homedir-pathname | Common Lisp Nova Spec</TITLE
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><TABLE WIDTH="100%" CELLSPACING="0" CELLPADDING="0"
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" WIDTH="100%" CLASS="name"
><SPAN CLASS="idx" DATA-KIND="idxref" DATA-TERM="user-homedir-pathname"
></SPAN
><B
>user-homedir-pathname</B
></TD
><TD ALIGN="RIGHT" VALIGN="BASELINE" WIDTH="0" NOWRAP="NOWRAP" CLASS="ftype"
><I
>Function</I
></TD
></TR
></TABLE
><HR
></DIV
><UL CLASS="subtoc"
></UL
><DL
><DT
><B
>Syntax</B
></DT
><DD
><P CLASS="j"
><B
>user-homedir-pathname</B
> <SPAN CLASS="cmtt"
>&amp;optional</SPAN
> <SPAN CLASS="cmssi"
>host</SPAN
> <SPAN CLASS="arrow"
>&#8594;</SPAN
> <SPAN CLASS="cmssi"
>pathname</SPAN
></P
></DD
><DT
><B
>Arguments and Values</B
></DT
><DD
><P CLASS="j"
><VAR CLASS="param"
>host</VAR
> &#8212; a <A HREF="26_1_Glossary.html#string"
><EM CLASS="term"
>string</EM
></A
>, a <A HREF="26_1_Glossary.html#list"
><EM CLASS="term"
>list</EM
></A
> of <A HREF="26_1_Glossary.html#string"
><EM CLASS="term"
>strings</EM
></A
>, or <SPAN CLASS="kwd"
><SPAN CLASS="cmtt"
>:unspecific</SPAN
></SPAN
>. </P
><P CLASS="j"
><VAR CLASS="param"
>pathname</VAR
> &#8212; a <A HREF="26_1_Glossary.html#pathname"
><EM CLASS="term"
>pathname</EM
></A
>, or <SPAN CLASS="misc"
><B
>nil</B
></SPAN
>.</P
></DD
><DT
><B
>Description</B
></DT
><DD
><P CLASS="j"
><A HREF="f_user-homedir-pathname.html" CLASS="funref"
><B
>user-homedir-pathname</B
></A
> determines the <A HREF="26_1_Glossary.html#pathname"
><EM CLASS="term"
>pathname</EM
></A
> that corresponds to the user&#8217;s home directory on <VAR CLASS="param"
>host</VAR
>. If <VAR CLASS="param"
>host</VAR
> is not supplied, its value is <A HREF="26_1_Glossary.html#implementation-dependent"
><EM CLASS="term"
>implementation-dependent</EM
></A
>. For a description of <SPAN CLASS="kwd"
><SPAN CLASS="cmtt"
>:unspecific</SPAN
></SPAN
>, see <A HREF="19_2_Pathnames.html#sec_19_2_1" CLASS="secref"
><SPAN CLASS="cmr"
>Section</SPAN
> <SPAN CLASS="cmr"
>19.2.1</SPAN
> <SPAN CLASS="cmr"
>(Pathname</SPAN
> <SPAN CLASS="cmr"
>Components)</SPAN
></A
>. </P
><P CLASS="j"
>The definition of home directory is <A HREF="26_1_Glossary.html#implementation-dependent"
><EM CLASS="term"
>implementation-dependent</EM
></A
>, but defined in Common Lisp to mean the directory where the user keeps personal files such as initialization files and mail. </P
><P CLASS="j"
><A HREF="f_user-homedir-pathname.html" CLASS="funref"
><B
>user-homedir-pathname</B
></A
> returns a <A HREF="26_1_Glossary.html#pathname"
><EM CLASS="term"
>pathname</EM
></A
> without any name, type, or version component (those components are all <SPAN CLASS="misc"
><B
>nil</B
></SPAN
>) for the user&#8217;s home directory on <VAR CLASS="param"
>host</VAR
>. </P
><P CLASS="j"
>If it is impossible to determine the user&#8217;s home directory on <VAR CLASS="param"
>host</VAR
>, then <SPAN CLASS="misc"
><B
>nil</B
></SPAN
> is returned. <A HREF="f_user-homedir-pathname.html" CLASS="funref"
><B
>user-homedir-pathname</B
></A
> never returns <SPAN CLASS="misc"
><B
>nil</B
></SPAN
> if <VAR CLASS="param"
>host</VAR
> is not supplied.</P
></DD
><DT
><B
>Examples</B
></DT
><DD
><PRE CLASS="screen"
>(pathnamep (user-homedir-pathname)) <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> <A HREF="26_1_Glossary.html#true"
><EM CLASS="term"
>true</EM
></A
></PRE
></DD
><DT
><B
>Affected By</B
></DT
><DD
><P CLASS="j"
>The host computer&#8217;s file system, and the <A HREF="26_1_Glossary.html#implementation"
><EM CLASS="term"
>implementation</EM
></A
>.</P
></DD
></DL
></DIV
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