gistfile1.txt

#!/bin/bash -u

thisCount=0
names=()

if [ $# -eq 1 ] ; then
	data=`cut --delimiter=: --fields=5 ${1}`
	all=`echo ${data} | cut --delimiter=' ' --fields=1`

	for X in ${all} ; do

		skip=0
		for checked in ${names} ; do
			if [ ${checked} == ${X} ]; then
				skip=1
				break
			fi
		done

		if [ ${skip} == 1 ]; then
			continue
		else
			thisCount=0
			names[$[${#names[@]}+1]]=${X}

			for Y in ${all} ; do
				if [ ${Y} == ${X} ]; then
					((thisCount++))
				fi
			done
			echo "${X} ${thisCount}"
		fi
	done
else
	echo "Invalid argument count."
fi