randomword.sh

#!/bin/bash
# Randomword.sh
# Ron Egli - github.com/smugzombie
WORDFILE=/usr/share/dict/words
WORD=
VALID=0

function randomword {
        RANDOM=$(date +%s%N);
#       echo $RANDOM
        # using cat means wc outputs only a number, not number followed by filename
        lines=$(cat $WORDFILE  | wc -l);
        rnum=$((RANDOM*RANDOM%$lines+1));
        WORD=$(sed -n "$rnum p" $WORDFILE);
}

function checkword {
#       echo "Running Checkword: $WORD"
        # Some entries may have 's, we dont want them in our output so invalidate and move on.
        if [[ $WORD == *"'"* ]]; then
                VALID=0
#               echo "INVALID"
        else
                VALID=1
#               echo "VALID"
        fi
}
                                                                                                                                                                                                                                             randomword                                                                                                                                                                                                                                   checkword                                                                                                                                                                                                                                    while [ $VALID -eq 0 ]; do
        randomword
        checkword
done

echo $WORD