webserver.sh

#!/usr/bin/env bash
set -e
while true; do
  netcat -lp 1234 -e '
    read request_line
    resource=$(echo $request_line | cut -f2 -d" " | cut -c 2-)
    [ -n "$resource" ] || resource=.
    say "Received request: $resource" 2> /dev/null
    if [ -e "$resource" ]; then
      echo "HTTP/1.0 200 OK"
      if [ -d "$resource" ]; then
        echo "Content-Type: text/html"
        echo
        ls "$resource" | while read file; do
          if [ -d "$resource/$file" ]; then
            echo "<a href=\"$resource/$file/\">$file/</a><br />"
          else
            echo "<a href=\"$resource/$file\">$file</a><br />"
          fi
        done
      elif [[ "$resource" == *".php" ]]; then
        echo
        php -q "$resource"
      else
        echo
        cat "$resource"
      fi
    else
      echo "HTTP/1.0 404 Not Found"
      echo "Content-Type: text/plain"
      echo
      echo "Resource \"$resource\" not found."
    fi'
done