#!/bin/csh  # Use the C shell to run this script.

# This is a port build script it executes make, make install, rehash,
# and make clean. You must be in the directory of the port you want
# to build in.

# Identify the user as root. 
if ( "$user" == "root" ) then  
# If the user is root output to screen
  echo "You are authorized to install ports. Please Stand By."
# If the user is not root, do something else.
   else
# Output to screen for non root users
  echo "You are not authorized to install ports. Please leave me alone."
# End this section and go to the next section.
endif
# Check the current working directory to see if you are in /usr/ports/. The ports all have pkg-descr. This command looks for that. 
if ( -f $cwd/pkg-descr ) then
# If you are in /usr/ports in a proper directory with a pkg-descr, this will output to the screen.
  echo "Okay smart boy you seem to be in the right place."
# If you are not in a proper /usr/ports directory with no pkg-descr do this.
    else
# If you are not in a /usr/ports directory, output this to the screen.
     echo "Hey dummy! How about making sure you are in the ports directory and quit wasting my time."
# If not in /usr/ports exit out of the script.
  exit
# End this section and go to the next.
endif
# Let's find out what you want to do with the port. This outputs to screen. 
echo "Would you like the port installed[YES/NO]?"
# Begin the YES,NO,or other variables that the user can answer. This sets up the authentication. 
  set valid = false
# This begins the loop for the authentication. 
   while ( $valid == false )
# I have no idea what this line does.
    switch ( $< )
# If the response is YES do the following:    
     case YES: 
# Output this to the screen.
              echo "Here we go!"
# This confirms a match for YES.  
              set valid = true
# This makes sure you are in the proper directory.
              cd $cwd
# These are the commands that build the port.
	      make && make install && rehash && make clean
# This breaks the switch but doesn't kill it. 
              breaksw
# If the response is NO do the following:            
      case NO: 
# output this to the screen
              echo "Why did you bother me then? Go away!"
# This confirms a match for NO
              set valid = true
# This breaks the switch but doesn't kill it.     
              breaksw
# If anything other than YES or NO is typed do the following:           
      default:
# Output this to the screen
              echo "How about learning to type YES or NO dummy!"
# This breaks the switch but doesn't kill it. 
              breaksw
# the loop stays open until YES or NO is typed anything else keeps the loop going.
# This is the end command for the switches.
     endsw
# This is the end command for the loop.    
end