Mine

./duplicate
#!/bin/bash -xv
find ~ -type f -print0 |while read file; do
find ~ -type f -print0 |while read file2; do
if [ "$(basename "$file")" = "$(basename "$file2")" ]; then
continue
else
cmp -s "$file" "file2" && echo "$file si $file2 is 2 ori"
fi
done
done
+ find /home/cuci -type f -print0
+ read file
find: `/home/cuci/.mc/cedit': Permission denied
find: `/home/cuci/.subversion/auth': Permission denied
find: `/home/cuci/work': Permission denied
find: `/home/cuci/.bin/-': Permission denied