tuananh · February 13, 2023 10:57
diff --git a/intersection.sh b/intersection.sh
 export LIST1=a b c d
 export LIST2=b c d e f

 INTERSECTION=($(comm -12 <(for X in "${LIST1[@]}"; do echo "${X}"; done|sort)  <(for X in "${LIST2[@]}"; do echo "${X}"; done|sort)))

 echo ${INTERSECTION[@]}

 # b c d
	export LIST1=a b c d
	export LIST2=b c d e f

	INTERSECTION=($(comm -12 <(for X in "${LIST1[@]}"; do echo "${X}"; done\|sort) <(for X in "${LIST2[@]}"; do echo "${X}"; done\|sort)))

	echo ${INTERSECTION[@]}

	# b c d