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Converting letter from a string into an array?

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ahavasandwichCreated:
ahavasandwich#1
What I'm trying to do is take something like A$="HELLO WORLD" and store each letter (and spaces between word) sequentially into a one-dimensional array. I've been looking at the instruction list, but I'm still not totally sure how to go about doing this. I feel in the like the first step I should use LEN and then a FOR loop.
SquareFingers#2
DIM B$[0]
FOR I%=0 TO LEN(A$)-1
PUSH B$,A$[I%]
NEXT
snail_#3
String characters can be indexed like an array, so I'm not entirely sure why you would need this. What do you plan on using this for?
ahavasandwich#4
String characters can be indexed like an array, so I'm not entirely sure why you would need this. What do you plan on using this for?
I want to make a program that can take a character string from the user via INPUT and have it played back into Morse code. So far I have coded the Morse code for each letter and number into MML. There isn't a point to making this app. I just need something to tinker with for fun.
ahavasandwich#5
DIM B$[0]
FOR I%=0 TO LEN(A$)-1
PUSH B$,A$[I%]
NEXT
What is I%?
ProgramGamer#6
It's the counter variable for the for loop, and also the index variable for accessing elements of the target array.
SquareFingers#7
DIM B$[0]
FOR I%=0 TO LEN(A$)-1
PUSH B$,A$[I%]
NEXT
What is I%?
I% is a variable. The % suffix indicates the variable holds integer values the same way the $ suffix indicates a variable holds string values. From your other reply, slackerSnail is correct. You do not need to make a copy of the characters for the task you describe. 
FOR I%=0 TO LEN(A$)-1
' Using the character A$[I%], transmit that one character in Morse
NEXT
ahavasandwich#8
I finally got some free time to study the replies y'all wrote. It's a lot more simple than I though it would be. Thanks! :)