Of many file-deduplication commands/scripts for the command line.
I can’t find one that . .
Works on mac (high sierra).
Employs a reference directory, with recursion.
Flags only duplicates with identical names.
rmdupe --sim --verbose /rmdupTest/
produced an error
stat: illegal option -- c
corrected by installing coreutils.
rmdupe also works recursively, with a reference directory . .
rmdupe -r /referenceDirectory/ /folderWithDuplicates/
but flags identical files with different names
other deduplication commands provide some, but not all, of the foregoing requirements.
jdupes and fdupes will flag duplicates with different filenames
various versions of FIND command use no reference directory
find . -type f ! -empty -exec md5 -r {} + | awk ‘++a($1)!=1′ | cut -d’ ‘ -f2- | tr ‘n’ ‘ ’ | xargs -0 rm
find . -size 20 ! -type d -exec cksum {} ; | sort | tee /tmp/f.tmp | cut -f 1,2 -d ‘ ‘ | uniq -d | grep -hif – /tmp/f.tmp > duplicates.txt
