Zip files that have the same name

zip.sh

#!/bin/bash

# Reference
# http://stackoverflow.com/questions/965053/extract-filename-and-extension-in-bash

# Description
# If you have these files 
# a.x a.y a.z b.x b.y c.z
# The script zip them to
# a.zip b.zip c.zip

function getFilenames() {
  for file in $(ls); do
    # Get the filename
    filename=${file%.*}
    echo $filename
  done
}

filename=$(getFilenames | uniq)

for x in $filename; do
  tar cvfz $x.tar.gz $x.*
done