web server in bash

gistfile1.txt

#!/bin/bash                                                                                          
read request # this will read the first line of input                                                
                                                                                                     
                                                                                                     
#while /bin/true; do                                                                                 
#   read header                                                                                      
#   [ "$header" == $'\r' ] && break;                                                                 
#done                                                                                                
#                                                                                                    
                                                                                                     
# how do i read the rest?                                                                            
                                                                                                     i dont fucking know                                                                                  
echo -e ${request}                                                                                   
                                                                                                     
x="${request#GET }"                                                                                  
filename=".${x% HTTP/*}"                                                                             
                                                                                                     
if [ -f "$filename" ]; then                                                                            echo -e "HTTP/1.1 200 OK\r"                                                                        
  echo -e "Content-Type: `/usr/bin/file -bi \"$filename\"`\r"                                        
  echo -e "\r"                                                                                       
  cat "$filename"                                                                                    
  echo -e "\r"                                                                                       
else                                                                                                 
  echo -e "HTTP/1.1 404 Not Found\r"                                                                 
  echo -e "Content-Type: text/html\r"                                                                
  echo -e "\r"                                                                                       
  echo -e "404 Not Found\r"                                                                          
  echo -e "Not Found                                                                                 
           The requested resource was not found\r"                                                   
  echo -e "\r"                                                                                       
fi