#!/bin/bash

declare -A acr

if [ $# -ne 1 ]
then
	echo "Missing filename"
	exit 1
fi

for word in `cat $1`
do
	if [ -v "acr[$word]" ]
	then
		acr[$word]=$((acr[$word]+1)) 
	else
		acr[$word]=1
	fi
done

for key in ${!acr[*]}
do
	echo "${key}: ${acr[$key]}"
done