Answer by Kamil Maciorowski for display path to files with same names

With awk:

find . | awk -F / '   {t[$NF]=t[$NF] $0 ORS; c[$NF]++}   END {for (k in t) if (c[k]>1) printf "%s", t[k]}'

Notes:

• The above code processes pathnames as newline-terminated strings; pathnames with newline characters will break it.

  • To reliably handle pathnames containing newline characters, process them as null-terminated strings. To do so, change the first line of our code to find . -print0 | awk -v RS='\0' -F / ' (not portable). awk will still output newline-terminated strings (useful for viewing), unless…

    • To make awk output null-terminated strings (useful for further reliable processing), add -v ORS='\0' to its options. The first line of the code will be:

      find . -print0 | awk -v RS='\0' -v ORS='\0' -F / '

• To terminate each group of pathnames with an empty line, change printf "%s", t[k] to printf "%s", t[k] ORS.

• Parsing the output of ls (like you did) is not recommended. Parsing the output of find (like we did) is fine (with the caveat of newlines in pathnames).