# Generate a random string
#
# example: pwd=$(ynh_string_random 8)
#
# usage: ynh_string_random [length]
# | arg: length - the string length to generate (default: 24)
ynh_string_random() {
    dd if=/dev/urandom bs=1 count=200 2> /dev/null \
      | tr -c -d '[A-Za-z0-9]' \
      | sed -n 's/\(.\{'"${1:-24}"'\}\).*/\1/p'
}