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| author | Ken Coar <coar@apache.org> | 1997-05-18 18:55:04 +0000 |
|---|---|---|
| committer | Ken Coar <coar@apache.org> | 1997-05-18 18:55:04 +0000 |
| commit | e688e16c6d0b8512150ac14ef2ce7843babeaa06 (patch) | |
| tree | 6ba9b528170fa02d8c1760ccfb4ddccf30ec73d5 | |
| parent | 6d5bc60d5eac9a6ca61cc5dd3f27ef007d00e330 (diff) | |
| download | httpd-e688e16c6d0b8512150ac14ef2ce7843babeaa06.tar.gz | |
Added documentation about use of {} in variable substitution.
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@78156 13f79535-47bb-0310-9956-ffa450edef68
| -rw-r--r-- | docs/manual/mod/mod_include.html | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/docs/manual/mod/mod_include.html b/docs/manual/mod/mod_include.html index 51e3ede172..025643301a 100644 --- a/docs/manual/mod/mod_include.html +++ b/docs/manual/mod/mod_include.html @@ -288,6 +288,19 @@ elements are: <!--#if expr="$a = \$test" --> </PRE> +<P> If a variable reference needs to be substituted in the middle of a + string, it can be done by enclosing the reference in braces, + <EM>á la</EM> shell substitution: + +<PRE> + <!--#set var="Zed" value="${REMOTE_HOST}_${REQUEST_METHOD}" --> +</PRE> + +<P> will result in the <SAMP>Zed</SAMP> variable being set to + "<SAMP>X_Y</SAMP>" if <SAMP>REMOTE_HOST</SAMP> is + "<SAMP>X</SAMP>" and <SAMP>REQUEST_METHOD</SAMP> is + "<SAMP>Y</SAMP>". + <P> EXAMPLE: the below example will print "in foo" if the DOCUMENT_URI is /foo/file.html, "in bar" if it is /bar/file.html and "in neither" otherwise: |