FILE_LOCATION="/Users/johnDoejr/Desktop/phase3-backup-20120921010002.dump.gz"

unzip () {
    echo Unzipping….
    gunzip -c -d $FILE_LOCATION
    echo Done unzipping...
}

getName() {
     fname="${FILE_LOCATION##*/}"
     echo "${fname%*.dump.gz}"
}

restoreDB () {
    psql -U postgres -d "$(getName)" -f "${FILE_LOCATION%*.gz}"
}

unzip
restoreDB