Pass digits of a numeric string to an array in bash -

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i have number, say

number=5684398

and want store digits fields of array coolarray follows:

coolarray[0]=5 coolarray[1]=6 coolarray[2]=8 coolarray[3]=4 coolarray[4]=3 coolarray[5]=9 coolarray[6]=8

how can proceed?

you can use fold -w1 break input string each character:

number=5684398 coolarray=( $(fold -w1 <<< "$number") )  printf "%s\n" "${coolarray[@]}" 5 6 8 4 3 9 8

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