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From poir...@apache.org
Subject svn commit: r892280 - in /httpd/httpd/trunk/docs/manual: configuring.html.en configuring.xml
Date Fri, 18 Dec 2009 15:44:05 GMT
Author: poirier
Date: Fri Dec 18 15:44:03 2009
New Revision: 892280

URL: http://svn.apache.org/viewvc?rev=892280&view=rev
Log:
Document the ability to use shell environment variables in
the configuration file.

PR: 46333
Patch submitted by: Nathan Stratton Treadway

Modified:
    httpd/httpd/trunk/docs/manual/configuring.html.en
    httpd/httpd/trunk/docs/manual/configuring.xml

Modified: httpd/httpd/trunk/docs/manual/configuring.html.en
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/docs/manual/configuring.html.en?rev=892280&r1=892279&r2=892280&view=diff
==============================================================================
--- httpd/httpd/trunk/docs/manual/configuring.html.en (original)
+++ httpd/httpd/trunk/docs/manual/configuring.html.en Fri Dec 18 15:44:03 2009
@@ -74,9 +74,19 @@
     and white space occurring before a directive are ignored, so
     you may indent directives for clarity.</p>
 
-    <p>The maximum length of a line in the configuration file,
-    after joining any continued lines and removing leading and
-    trailing white space, is 8192 characters.</p>
+    <p>The values of shell environment variables can be used in
+    configuration file lines using the syntax <code>${ENVVAR}</code>.
+    If "ENVVAR" is the name of a valid environment variable, the value
+    of that variable is substituted into that spot in the
+    configuration file line, and processing continues as if that text
+    were found directly in the configuration file.  (If the ENVVAR
+    variable is not found, the characters "${ENVVAR}" are left
+    unchanged for use by later stages in the config file
+    processing.)</p>
+
+    <p>The maximum length of a line in the configuration file, after
+    environment-variable substitution, joining any continued lines and
+    removing leading and trailing white space, is 8192 characters.</p>
 
     <p>You can check your configuration files for syntax errors
     without starting the server by using <code>apachectl

Modified: httpd/httpd/trunk/docs/manual/configuring.xml
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/docs/manual/configuring.xml?rev=892280&r1=892279&r2=892280&view=diff
==============================================================================
--- httpd/httpd/trunk/docs/manual/configuring.xml (original)
+++ httpd/httpd/trunk/docs/manual/configuring.xml Fri Dec 18 15:44:03 2009
@@ -77,9 +77,19 @@
     and white space occurring before a directive are ignored, so
     you may indent directives for clarity.</p>
 
-    <p>The maximum length of a line in the configuration file,
-    after joining any continued lines and removing leading and
-    trailing white space, is 8192 characters.</p>
+    <p>The values of shell environment variables can be used in
+    configuration file lines using the syntax <code>${ENVVAR}</code>.
+    If "ENVVAR" is the name of a valid environment variable, the value
+    of that variable is substituted into that spot in the
+    configuration file line, and processing continues as if that text
+    were found directly in the configuration file.  (If the ENVVAR
+    variable is not found, the characters "${ENVVAR}" are left
+    unchanged for use by later stages in the config file
+    processing.)</p>
+
+    <p>The maximum length of a line in the configuration file, after
+    environment-variable substitution, joining any continued lines and
+    removing leading and trailing white space, is 8192 characters.</p>
 
     <p>You can check your configuration files for syntax errors
     without starting the server by using <code>apachectl



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