From 1bec862b8a6ea5a2b934a434ecb51de2b7c4b610 Mon Sep 17 00:00:00 2001
From: Tony Stevenson
-mod_sed is a in-process content filter. mod_sed filter implement the sed edit
-commands implemented by Solaris 10 sed
-program as described in man
-page. However unlike sed, mod_sed doesn't take data from
+mod_sed is an in-process content filter. The mod_sed filter implements the sed edit
+commands implemented by the Solaris 10 sed
+program as described in the man
+page. However, unlike sed, mod_sed doesn't take data from
standard
-input. Instead filter act on the entity data sent between client and
-server. mod_sed can be used as a input or output filter. mod_sed is a
-content filter which means that it can not be used to modify client or
+input. Instead, the filter acts on the entity data sent between client and
+server. mod_sed can be used as an input or output filter. mod_sed is a
+content filter, which means that it cannot be used to modify client or
server http headers.
-mod_sed output filter accept a chunk of data and execute the sed scripts on data and generates the output which is passed to next filter in the filter chain.
+The mod_sed output filter accepts a chunk of data, executes the sed scripts on the data, and generates the output which is passed to next filter in the filter chain.
-mod_sed input filter reads the data from next filter in filter chain and executes the sed scripts and returns the generated data to caller filter in the filter chain.
+The mod_sed input filter reads the data from the next filter in filter chain, executes the sed scripts, and returns the generated data to the caller filter in the filter chain.
-Both input and output filter only process the data if new line character is seen in the content. At the end of the data, rest of the data is treated as last line.
+Both the input and output filter only process the data if new line characters are seen in the content. At the end of the data, the rest of the data is treated as the last line.
A tutorial article on mod_sed, and why it is more powerful than simple
-string or regular expression search and replace, is available in on
+string or regular expression search and replace, is available on
the author's blog.Summary
- Complete details of the sed command can be found from
+ Complete details of the sed command can be found from the
sed man
page.
The The The The
-mod_sed is a in-process content filter. mod_sed filter implement the sed edit
-commands implemented by Solaris 10 sed
-program as described in man
-page. However unlike sed, mod_sed doesn't take data from
+mod_sed is an in-process content filter. The mod_sed filter implements the sed edit
+commands implemented by the Solaris 10 sed
+program as described in the man
+page. However, unlike sed, mod_sed doesn't take data from
standard
-input. Instead filter act on the entity data sent between client and
-server. mod_sed can be used as a input or output filter. mod_sed is a
-content filter which means that it can not be used to modify client or
+input. Instead, the filter acts on the entity data sent between client and
+server. mod_sed can be used as an input or output filter. mod_sed is a
+content filter, which means that it cannot be used to modify client or
server http headers.
-mod_sed output filter accept a chunk of data and execute the sed scripts on data and generates the output which is passed to next filter in the filter chain.
+The mod_sed output filter accepts a chunk of data, executes the sed scripts on the data, and generates the output which is passed to next filter in the filter chain.
-mod_sed input filter reads the data from next filter in filter chain and executes the sed scripts and returns the generated data to caller filter in the filter chain.
+The mod_sed input filter reads the data from the next filter in filter chain, executes the sed scripts, and returns the generated data to the caller filter in the filter chain.
-Both input and output filter only process the data if new line character is seen in the content. At the end of the data, rest of the data is treated as last line.
+Both the input and output filter only process the data if new line characters are seen in the content. At the end of the data, the rest of the data is treated as the last line.
A tutorial article on mod_sed, and why it is more powerful than simple
-string or regular expression search and replace, is available in on
the author's blog.
- Complete details of the sed command can be found from
+ Complete details of the sed command can be found from the
sed man
page.
The The The The
- # In following example, sed filter will replace the string
+ Adding an output filter
+ # In following example, the sed filter will change the string
# "monday" to "MON" and the string "sunday" to SUN in html document
# before sending to client.
@@ -86,8 +86,8 @@ the author's blog.Adding a input filter
- # In following example, sed filter will replace the string
+ Adding an input filter
+ # In following example, the sed filter will change the string
# "monday" to "MON" and the string "sunday" to SUN in the POST data
# sent to php
@@ -104,7 +104,7 @@ the author's blog.Sed Commands
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Status: Experimental
- Module: mod_sed InputSed
directive specify the sed command
+ InputSed
directive specifies the sed command
which will be executed on the request data e.g POST data.
OutputSed Directive
-
-
+Description: Sed command for filter the response content Description: Sed command for filtering the response content Syntax: OutputSed sed-command
Context: directory, .htaccess Status: Experimental Module: mod_sed OutputSed
directive specify the sed
+ OutputSed
directive specifies the sed
command which will be executed on the response.
+
# "monday" to "MON" and the string "sunday" to SUN in html document
# before sending to client.
+
# "monday" to "MON" and the string "sunday" to SUN in the POST data
# sent to php
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h
H
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