diff options
| -rw-r--r-- | src/uniq.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/uniq.c b/src/uniq.c index c61468c26..b3b16ffb3 100644 --- a/src/uniq.c +++ b/src/uniq.c @@ -443,7 +443,13 @@ main (int argc, char **argv) && optarg[0] == '+' && xstrtoul (optarg, NULL, 10, &size, "") == LONGINT_OK && size <= SIZE_MAX) - skip_chars = size; + { + if (! posixly_correct) + error (0, 0, + _("warning: `uniq %s' is obsolete; use `uniq -s %s' instead"), + optarg, optarg + 1); + skip_chars = size; + } else if (nfiles == 2) { error (0, 0, _("extra operand `%s'"), optarg); |