test.sh

#!/bin/bash

# -c file - compress file
# -d file - decompress file

while getopts ":c:d:" opt; do
	case $opt in
		c )  cut -d' ' -f1,3,4,5,6 $OPTARG | gzip -k -9 > comp.gz;;
		d )  gzip -d $OPTARG --stdout | sed -e "s/\([0-9]\{2\}:[0-9]\{2\}\)\(:[0-9]\{2\}\)/\1\2 \1/" > decomp.txt;;
	esac
done