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tr " " "\n" | tail +2 | sort | uniq -utr is used so each array element in new line for further processing
tail is used to skip 1st line which contain total no. of array elements
sort for uniq cmd to work as desired
uniq -u print only the uniq element
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Lonely Integer - Bash!
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tr " " "\n" | tail +2 | sort | uniq -utr is used so each array element in new line for further processing tail is used to skip 1st line which contain total no. of array elements sort for uniq cmd to work as desired uniq -u print only the uniq element