Get basic statistics on unique and repeated words from a plaintext file.

uniques.sh

#!/bin/bash

echo "$1 is `wc -w $1 | awk '{print $1}'` words long."

echo "It contains `cat $1 | awk '{ for (i=1; i<=NF; i++) print $i }' | sed -e 's/[,.;-*?"]//g' | tr A-Z a-z | sort | uniq | wc -w` unique words."
echo "It contains `cat $1 | awk '{ for (i=1; i<=NF; i++) print $i }' | sed -e 's/[,.;-*?"]//g' | tr A-Z a-z | sort | uniq -d | wc -w` words that are repeated at least once."