hxmuller · October 20, 2016 14:04
diff --git a/find and remove duplicate files from the second of two directories b/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