Java gbk to utf-8

#!/bin/bash
FILE_SUFFIX="java xml html vm js"
# FILE_SUFFIX="vm"
file_names=""
for x in $FILE_SUFFIX
do
 file_names=`find . -name "*.$x" | xargs file -I | grep -v utf-8 | awk -F " |:" '{print $1}'`
 for file_name in $file_names
 do
 # echo $file_name
 iconv -f cp936 -t UTF-8 $file_name >$file_name".new" &&
 mv -f "$file_name.new" "$file_name"
 done
 echo "$x ok"
done 
find . -name "*.xml" | xargs sed -i "" "/<?xml/s/GBK/UTF-8/g"
find . -name "*.xml" | xargs sed -i "" "/<?xml/s/GB2312/UTF-8/g"
echo "xml head is ok!"
find . -name "pom.xml" | xargs sed -i "" "/<encoding>/s/GBK/UTF-8/g"
find . -name "pom.xml" | xargs sed -i "" "/<encoding>/s/GB2312/UTF-8/g"
find . -name "pom.xml" | xargs sed -i "" "/project.build.sourceEncoding/s/GBK/UTF-8/g"
find . -name "pom.xml" | xargs sed -i "" "/project.reporting.outputEncoding/s/GBK/UTF-8/g"
find . -name "pom.xml" | xargs sed -i "" "s/pop-vender-common-pageframe/pop-vender-common-pageframe-utf8/g"
echo "pom.xml is ok!" 
find . -name "*.properties" | xargs sed -i "" "/input.encoding/s/GBK/UTF-8/g"
find . -name "*.properties" | xargs sed -i "" "/output.encoding/s/GBK/UTF-8/g"
echo "velocity properties is OK!"
find . -name "strut*.xml" | xargs sed -i "" '/struts.i18n.encoding/s/GBK/UTF-8/g'
echo "struts xml is ok!"
find . -name "*.vm" | xargs sed -i "" "s/\/common\/js\/jdmsg\/jd-msg.js/\/common\/js\/jdmsg\/jd-msg-utf8.js/g"
find . -name "*.vm" | xargs sed -i "" "/\/ui.datepicker.js/s/<script t/<script charset=\"GBK\" t/g"
find . -name "*.vm" | xargs sed -i "" "/\/jquery-calendar.js/s/<script t/<script charset=\"GBK\" t/g"
echo "vm is ok"
echo "finished"
# echo $file_names

 <!--Character Encoding filter( ) -->
 <filter>
 <filter-name>charsetFilter</filter-name>
 <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
 <init-param>
 <param-name>encoding</param-name>
 <param-value>UTF-8</param-value>
 </init-param>
 <init-param>
 <param-name>forceEncoding</param-name>
 <param-value>true</param-value>
 </init-param>
 </filter>

 <bean class="com.jd.pop.component.url.PopJdUrl">
 <property name="url" value="${pop-vender.login.address}"/>
 <property name="charsetName" value="utf-8"/>
 </bean>

 <Connector port="8080" protocol="HTTP/1.1"
 connectionTimeout="20000"
 redirectPort="8443" URIEncoding="UTF-8" />