1 files changed, 10 insertions, 0 deletions

diff --git a/coreutils/cut.c b/coreutils/cut.c
index f4cf5401b..3abebe7ad 100644
--- a/coreutils/cut.c
+++ b/coreutils/cut.c
@@ -243,6 +243,16 @@ static void cut_file(FILE *file, const char *delim, const char *odelim,
                                                 start = next;
                                                 continue;
                                         }
+                                        /* -F N-M preserves intermediate delimiters: */
+                                        //printf "1 2  3  4  5  6  7\n" | toybox cut -O: -F2,4-6,7
+                                        //2:4  5  6:7
+                                        if (opt_REGEX && dcount <= cut_list[cl_pos].endpos)
+                                                continue;
+// NB: toybox does the above for -f too, but it's a compatibility bug:
+//printf "1 2 3 4 5 6 7 8\n" | toybox cut -d' ' -O: -f2,4-6,7
+//2:4 5 6:7  // WRONG!
+//printf "1 2 3 4 5 6 7 8\n" | cut -d' ' --output-delimiter=: -f2,4-6,7
+//2:4:5:6:7  // GNU coreutils 9.1
                                 }
 #if ENABLE_FEATURE_CUT_REGEX
                                 if (end != start || !opt_REGEX)