copy from one array to another

轉載自http://stackoverflow.com/questions/19417015/bash-copy-from-one-array-to-another

a=(foo bar "foo 1" "bar two")  #create an array
b=("${a[@]}")                  #copy the array in another one

for value in "${b[@]}" ; do    #print the new array
echo "$value"
done

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copy=( "${array[@]}" )