Hello, I used the command "uniq -dc myfile.txt' here are some lines of the output 2 ☼ turvy 2 ☼ with gay abandon 2 ☼ with reckless abandon 10 ☼ yyⅰ 9 ☼ yyⅹⅲ 2 ☼ yyⅺ 12 ☼ zzⅰ The three first lines above are correct and correspond to real duplicates lines in the file, but the numbers on the 4 last one are erroneous, each of them correspond to a single line in the file. Yours faithfully. Pierre Michaud