Here is a script example to replace log4j in bulk.

How to Replace log4j with shell Script in Bulk

#!/bin/ bash
#

#java 6 log4j file directory
lpath6 =/opt/test/ repl6 #java 7 log4j file directory 
lpath7 =/opt/test/ repl7 
jarname = ' log4j*.jar '
#status value
stat = 0
#The production environment can modify the following line to $(ps -ef |grep java |grep -v grep) |while read pro Extract the current java process.
cat grepfile.txt | while read pro
 do 
propath =$( echo ${pro} | awk -F "  "  ' {print $9} ' | awk -F " = "  ' {print $2} ' | awk -F " tomcat "  ' {print $1} ' )
 if [ -d ${propath} ]; then 
    echo  " ----update path: ${propath} starting------ " 
    echo ${pro} | awk -F " " ' {print $8} ' | grep  1.6 
    if [ $? -eq 0 ]; then 
        echo  " -----jdk 1.6------- " 
        for  file  in $( find ${propath} -name ${ jarname} - print)
         do 
            echo ${ file }
             mv -f ${ file } ${ file }_$( date +%y%m%d%H%M%S) && echo  " ${file} back complete! " 
        done 
        \ cp ${lpath6} /*${propath} && echo "cp ${lpath6}/* /${propath} complete"
        stat=1
    else
        echo "-----Discontent-----"
    fi

    if [ ${stat} -eq 0 ];then
    echo ${pro} |awk -F" " '{print $8}' |grep 1.7
    if [ $? -eq 0 ];then
        echo "-----jdk 1.7-------"
        for file in $(find ${propath} -name ${jarname} -print)
        do
            echo ${file}
            mv -f ${file} ${file}_$(date +%y%m%d%H%M%S) && echo "${file} back complete!"
        done
        \cp ${lpath7}/* ${propath} && echo "cp ${lpath7}/* /${propath} complete"
    else
        echo "-----Discontent-----"
    fi
    else
        stat=0
    fi
else
    echo "----update path: ${propath} no exist------"
fi
done