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> 3.3.10 reference manual: Full-featured search engine software</TH
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>CheckOnly</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN7937"
></A
><H2
>Name</H2
><B
CLASS="command"
>CheckOnly</B
> -- checks if a document exists<P
><B
></B
><TT
CLASS="filename"
>indexer.conf</TT
></P
></DIV
><DIV
CLASS="refsynopsisdiv"
><A
NAME="AEN7943"
></A
><H2
>Synopsis</H2
><P
><B
CLASS="command"
>CheckOnly</B
> [Match | NoMatch] [Case | NoCase] [String | Regex] {pattern...}</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN7956"
></A
><H2
>Description</H2
><P
>The meaning of the first three optional parameters is exactly the same
as in the <A
HREF="msearch-cmdref-allow.html"
>Allow</A
> command.
</P
><P
>It is possible to use multiple pattens in
the same <B
CLASS="command"
>CheckOnly</B
> commands.
</P
><P
>When processing documents with <ACRONYM
CLASS="acronym"
>URL</ACRONYM
>
matching <CODE
CLASS="varname"
>pattern</CODE
>, <SPAN
CLASS="application"
>indexer</SPAN
> uses
the <ACRONYM
CLASS="acronym"
>HTTP HEAD</ACRONYM
> method
(instead of the usual <ACRONYM
CLASS="acronym"
>HTTP GET</ACRONYM
>).
It means that the document is checked only for existence, while
the document content is not downloaded.
</P
><P
> <B
CLASS="command"
>CheckOnly</B
> can be useful for
a <ACRONYM
CLASS="acronym"
>FTP</ACRONYM
> search engine
(searching through file names rather than file contents),
for <TT
CLASS="filename"
>*.zip</TT
>, <TT
CLASS="filename"
>*.exe</TT
>,
<TT
CLASS="filename"
>*.arj</TT
> and other binary files, as well as
in case of using <SPAN
CLASS="application"
>indexer</SPAN
> for
<A
HREF="msearch-indexing.html#general-linkval"
>link validation</A
>.
</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN7976"
></A
><H2
>Scope</H2
><P
> <B
CLASS="command"
>CheckOnly</B
> takes global effect for the entire
configuration file and can be used
multiple times.
</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN7980"
></A
><H2
>Examples</H2
><DIV
CLASS="informalexample"
><P
></P
><A
NAME="AEN7982"
></A
><PRE
CLASS="programlisting"
> CheckOnly *.b *.sh *.md5
CheckOnly *.arj *.tar *.zip *.tgz *.gz
CheckOnly *.lha *.lzh *.rar *.zoo *.tar*.Z
CheckOnly *.gif *.jpg *.jpeg *.bmp *.tiff
CheckOnly *.vdo *.mpeg *.mpe *.mpg *.avi *.movie
</PRE
><P
></P
></DIV
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN7984"
></A
><H2
>See also</H2
><P
> <A
HREF="msearch-cmdref-allow.html"
>Allow</A
>,
<A
HREF="msearch-cmdref-checkmp3.html"
>CheckMP3</A
>,
<A
HREF="msearch-cmdref-checkmp3only.html"
>CheckMP3Only</A
>,
<A
HREF="msearch-cmdref-disallow.html"
>Disallow</A
>,
<A
HREF="msearch-cmdref-hrefonly.html"
>HrefOnly</A
>,
<A
HREF="msearch-cmdref-skip.html"
>Skip</A
>,
<A
HREF="msearch-cmdref-skipif.html"
>SkipIf</A
>.
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