Nginx Split vhosts

nginx.sh

#!/bin/bash
if [ ! -d "ngxvhosts" ]; then
   mkdir ngxvhosts
fi
 
if [ -f "xx*" ]; then
   rm xx*
fi
echo $1 $2 $3
    csplit nginx.conf '/\s*\<server\>\s*/' {*}
    #new_name =''
    for i in xx*
    do
        if grep -oP '(?<=server_name).+;' $i
        then
            result=`grep -oP '(?<=server_name).+;' $i`
            new_name=`echo $result|awk '{print $1}'`
            new_name=${new_name%';'}.conf
            mv $i ngxvhosts/$new_name
        else
            rm $i
        fi
    done