Question

How to remove the last element from an array in Bash

Answer 1

arr=(a b c d e)

unset arr[-1] 

echo ${arr[@]} 



# run:
#
# a b c d
#

 

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Answer 2

arr=(a b c d e)

unset arr[${#arr[@]}-1]

echo ${arr[@]} 



# run:
#
# a b c d
#

 

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