bashrc

function bashrc() {
	# If $script variable exists, use it as filename to append. If not, use $1
	if [ -z "$script" ]
	  then fname="$1"
	  else fname="$script"
	fi
	
	if [ -z "$fname" ]
	  then return 1 
	fi
	
	ln=`head -n 1 ./$fname`
	if [ -z "$ln" ]
  	  then return 1
	fi

	if grep -q "$ln" ~/.bashrc
	  then
	    echo "Sorry, $fname Is Already Installed, Playa"
	    return 1
	fi

	cp ~/.bashrc ~/.bashrc.bak	
	cat $fname >> ~/.bashrc
	echo "WTG dude, $fname is installed now." 
}


#And use it to install itself:

#!/bin/bash
# Use the bashrc appender to append itself

source bashrc
script="bashrc"
bashrc

echo "Usage:"
echo " bashrc [file]"