diff options
Diffstat (limited to 'src/uniq.c')
-rw-r--r-- | src/uniq.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/uniq.c b/src/uniq.c index 286452249..5fcbed9a4 100644 --- a/src/uniq.c +++ b/src/uniq.c @@ -168,6 +168,13 @@ Mandatory arguments to long options are mandatory for short options too.\n\ A field is a run of whitespace, then non-whitespace characters.\n\ Fields are skipped before chars.\n\ "), stdout); + fputs (_("\ +\n\ +Note: while uniq can be useful even with unsorted input, in most applications\n\ +the input is sorted in a manner consistent with field-selection options.\n\ +E.g., use `sort' if `uniq' uses no such option (or simply use `sort -u');\n\ +use `sort -k 3b' with uniq -f2.\n\ +"), stdout); emit_bug_reporting_address (); } exit (status); |