文件自动解压

#!/bin/bash
inotifywait -rm -e CLOSE_WRITE /root | while read file; do
       file_full_name=`echo "$file" | awk '{print $1$3}'`
       file_path=`echo "$file" | awk '{print $1}'`
       file_path_count=`echo "$file_path" | tr -cd '/' | wc -c`
       if [ -f $file_full_name -a $file_path_count = 4 ]; then
         file_ext_name=`echo ${file:0-3:3}`
         if [ $file_ext_name = "zip" ]; then
           echo "--------------------------------" >> /home/lxp/my_shell/log/log_auto_extract
           echo "--------------------------------" >> /home/lxp/my_shell/log/log_auto_extract
           date +"%Y-%m-%d %H:%M:%S" >> /home/lxp/my_shell/log/log_auto_extract
           unzip -o $file_full_name -d $file_path >> /home/lxp/my_shell/log/log_auto_extract 2>&1
         fi
       fi
done