#!/bin/bash
#Name: word_freq.sh
#Description: Find out frequency of words in a file

if [ $# -ne 1 ];
then
	echo "Usage: $0 filename";
	exit -1
fi

filename=$1

egrep -o "\b[[:alpha:]]+\b" $filename | \

awk '{ count[$0]++ } END{ printf("%-14s%s\n","Word","Count") ; \
 for(ind in count) { printf("%-14s%d\n",ind,count[ind]); } }'