typie

examples/letters.sh

#!/bin/sh

# this script generates random orders of specific letters.
# Usage: letters.sh CHARSET MIN_LENGTH MAX_LENGTH

CHARSET=$1
get_letter() {
	LETTER="$(echo $CHARSET | fold -b -w 1 | shuf -n 1)"
	echo "$LETTER"
}

LENGTH=$(seq $2 $3 | shuf -n 1)

WORD=""
for i in $(seq $LENGTH); do
	WORD="$WORD$(get_letter)"
done

echo "$WORD"