find and remove duplicate files from the second of two directories

find and remove duplicate files from the second of two directories

# modify directory1/ and directory2/ paths as  appropriate
#
# diff - compare files line by line
#   -s report when two files are the same
#   -r recursively compare any subdirectories found
# sed - stream editor for filtering and transforming text
#   -n suppress automatic printing of pattern space
# cut - remove sections from each line of files
#   -f select only these fields
#   -d use DELIM instead of TAB for field delimiter
# xargs - build and execute command lines from standard input

diff -sr directory1/ directory2/ | sed -n '/identical/p' | cut -f4 -d' ' | xargs rm