ruby - Split string variable into an array -

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just wondering how split string variable letter letter , make array

my word variable randomly selected word array of words:

word = $file_arr[rand($file_arr.length)]

how split word individual letters , add them array?

example: if word pulls word "hello" $file_arr how make array like: ["h", "e", "l", "l", "o"] out of word variable

all i've been able find online people doing strings type in , splitting on comma, how variable?

use string#chars

http://ruby-doc.org/core-2.0.0/string.html#method-i-chars

2.3.1 :009 > "hello world".chars => ["h", "e", "l", "l", "o", " ", "w", "o", "r", "l", "d"]

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