A quick Bash loop to play all available voices for OS X say command

play_all_voices.sh

#!/bin/bash
# Arguments can include a quoted string to define the test string to be repeated
# If an argument is numbers only, it changes the rate at which to speak (words per minute, default 200)
play_all_voices() {
	local voice
	local rate=200
	local test_string="How are you?"

	for arg in $@; do
		if [[ $arg =~ ^[0-9]+$ ]]; then
			rate=$arg
		else
			test_string=$arg
		fi
	done

	echo "Rate: $rate"
	echo "String: $test_string"

	read -a voices <<< $(say -v \?|sed -E 's/^([[:alpha:]]+( [[:alpha:]]+)?).*$/\1/g'|sed -E 's/ /_/g')
	# declare -a voices=(Agnes Albert Alex Alice Alva Amelie Anna Bad_News Bahh Bells Boing Bruce Bubbles Carmit Cellos Damayanti Daniel Deranged Diego Ellen Fiona Fred Good_News Hysterical Ioana Joana Junior Kanya Karen Kathy Kyoko Laura Lekha Luciana Mariska Mei-Jia Melina Milena Moira Monica Nora Paulina Pipe_Organ Princess Ralph Samantha Sara Satu Sin-ji Tarik Tessa Thomas Ting-Ting Trinoids Veena Vicki Victoria Whisper Xander Yelda Yuna Zarvox Zosia Zuzana)
	for v in ${voices[@]}; do
		voice=$(echo "$v"|tr '_' ' ')
		echo "Playing \"$voice\"..."
		say -v "Daniel" -r 200 "$voice"
		say -r $rate -v "$voice" "$test_string"
	done
}

play_all_voices $@