#!/bin/bash
FOLDER='satellite1.0.0'
ARCHIVE='satellite1.0.0.tgz'

LOCAL=$('pwd')

isknown()
{
    zb='0B'
    read command
    whereis $command > ./tmp
    du -sh ./tmp > ./tmp2
    while read line
    do
      str=$line
    done < "./tmp2"
    if echo "$str" | grep -q "$zb" ; then
	echo false
    else
	echo true
    fi
}

minimum_version=2
# Since Chet Ramey is constantly adding features to Bash,
# you may set $minimum_version to 2.XX, 3.XX, or whatever is appropriate.
E_BAD_VERSION=80

if [ "$BASH_VERSION" \< "$minimum_version" ]
then
  echo "This script works only with Bash, version $minimum or greater."
  echo "Upgrade strongly recommended."
  exit $E_BAD_VERSION
fi

rm -f ./tmp
rm -f ./tmp2

if [ -e $FOLDER ]
then
	echo "Directory already exists:"
	echo $FOLDER
	echo "Please erase it and try again"
	exit 0
else
	if [ ! -f $ARCHIVE ]
	then
		echo "$ARCHIVE does not exists in the current directory"
		echo "installation failed"
		exit 0
	else
		echo "+ Uncompressing file $ARCHIVE..."
		tar -zxvf ${ARCHIVE} > /dev/null
		echo "...done"
		echo "The archive was extracted in: ./"$FOLDER
		echo "+ linking files"
		cd $FOLDER/data
		ln -s integrated_solar_TOA_fluxes_ref.txt ./integrated_solar_TOA_fluxes.txt

		cd $LOCAL
		rm -f ${ARCHIVE}
		rm -f install_satellite.bash
	fi
fi

exit 0