03-06-2009
find and replace! Urgent
I am trying to find and replace the following line in log4j.xml:
<param name="ConversionPattern" value="[%d{ABSOLUTE},%c{1}] %m%n"/>
to
<param name="ConversionPattern" value="[%d{ABSOLUTE},%p,%c{1}] %m%n"/>
The problem here is that when I find the first string above using sed or grep, it returns more than one line that matches my string in the file log4j.xml. However, I only want to replace one line that matches my criteria. For example: The log file has the following tags:
<appender name="PAYMENTLOG" class="org.jboss.logging.appender.DailyRollingFileAppender">
<errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/>
<param name="File" value="${jboss.server.home.dir}/log/payment.log"/>
<param name="Append" value="true"/>
<param name="DatePattern" value=".yyyy-MM-dd"/>
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="[%d{ABSOLUTE},%c{1}] %m%n"/>
</layout>
</appender>
<appender name="EMAIL" class="org.apache.log4j.net.SMTPAppender">
<param name="Threshold" value="ERROR"/>
<param name="From" value="jboss@dummy.com"/>
<param name="Subject" value="${hostname} - PRODUCTION ERROR: MIDDLE TIER"/>
<param name="BufferSize" value="10"/>
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="[%d{ABSOLUTE},%c{1}] %m%n"/>
</layout>
</appender>
Notice the strings in bold? I ONLY want the string to be replaced under the tag "PAYMENTLOG" but not the other. Please help me how to achieve this.
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LEARN ABOUT LINUX
curl_global_init_mem
curl_global_init_mem(3) libcurl Manual curl_global_init_mem(3)
NAME
curl_global_init_mem - Global libcurl initialisation with memory callbacks
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_global_init_mem(long flags,
curl_malloc_callback m,
curl_free_callback f,
curl_realloc_callback r,
curl_strdup_callback s,
curl_calloc_callback c );
DESCRIPTION
This function works exactly as curl_global_init(3) with one addition: it allows the application to set callbacks to replace the otherwise
used internal memory functions.
This man page only adds documentation for the callbacks, see the curl_global_init(3) man page for all the rest. When you use this function,
all callback arguments must be set to valid function pointers.
The prototypes for the given callbacks should match these:
void *malloc_callback(size_t size);
To replace malloc()
void free_callback(void *ptr);
To replace free()
void *realloc_callback(void *ptr, size_t size);
To replace realloc()
char *strdup_callback(const char *str);
To replace strdup()
void *calloc_callback(size_t nmemb, size_t size);
To replace calloc()
CAUTION
Manipulating these gives considerable powers to the application to severly screw things up for libcurl. Take care!
SEE ALSO
curl_global_init(3), curl_global_cleanup(3),
libcurl 7.12.0 10 May 2004 curl_global_init_mem(3)