Bash script to install XAR. Run as root and takes one command line argument where you want the xar executable to exist.

Install XAR

#!/bin/bash
if [ "`whoami`" != "root" ]; then
  printf "Please run this script as root or using sudo\n"
	exit 0
fi

LIB_DIR=$1
CURRENT_DIR=`pwd`

printf "Setting up XAR\n"
XAR=xar-1.6.1
cp $XAR.tar.gz $LIB_DIR/
cd $LIB_DIR
tar -xzvf $XAR.tar.gz
rm $XAR.tar.gz
cd $XAR

./configure
make
sudo make install

cd $CURRENT_DIR

printf "******************************\n"
printf "xar setup!\n"
printf "******************************\n"

The inconsistent whtitespace characters on lines 3/4 are driving me crazy