1 files changed, 18 insertions, 0 deletions

diff --git a/coreutils/uniq.c b/coreutils/uniq.c
index decf7e4f8..6e764d8a4 100644
--- a/coreutils/uniq.c
+++ b/coreutils/uniq.c
@@ -10,6 +10,24 @@
 /* BB_AUDIT SUSv3 compliant */
 /* http://www.opengroup.org/onlinepubs/007904975/utilities/uniq.html */
 
+//usage:#define uniq_trivial_usage
+//usage:       "[-cdu][-f,s,w N] [INPUT [OUTPUT]]"
+//usage:#define uniq_full_usage "\n\n"
+//usage:       "Discard duplicate lines\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -c      Prefix lines by the number of occurrences"
+//usage:     "\n        -d      Only print duplicate lines"
+//usage:     "\n        -u      Only print unique lines"
+//usage:     "\n        -f N    Skip first N fields"
+//usage:     "\n        -s N    Skip first N chars (after any skipped fields)"
+//usage:     "\n        -w N    Compare N characters in line"
+//usage:
+//usage:#define uniq_example_usage
+//usage:       "$ echo -e \"a\\na\\nb\\nc\\nc\\na\" | sort | uniq\n"
+//usage:       "a\n"
+//usage:       "b\n"
+//usage:       "c\n"
+
 #include "libbb.h"
 
 int uniq_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;