some of these suggestions were sources from here
shuf -n 1 $FILE
head -$((${RANDOM} % `wc -l < file` + 1)) file | tail -1
cat $FILE | sort --random-sort | head -n 1
perl -e 'srand; rand($.) < 1 && ($line = $_) while <>; print $line;' filename
psuedo random integer bash
http://tldp.org/LDP/abs/html/randomvar.html
wordnet