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tannerwelsh/random_word.sh

Created July 10, 2017 18:44
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Get a random word of length n
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random_word.sh
#!/usr/bin/env sh
word_length=$1
all_words=/usr/share/dict/words
# use outer wrapping parens to convert to an array
words=( $(grep -E "^.{$word_length}$" $all_words) )
num_words=${#words[@]} # get length of words array
index=$(($RANDOM % $num_words)) # make a random index
echo ${words[$index]}
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