diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/tail.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/tail.c b/src/tail.c index b7fc0587b..12a5ca1dd 100644 --- a/src/tail.c +++ b/src/tail.c @@ -874,9 +874,9 @@ parse_obsolescent_option (int argc, const char *const *argv, int t_count_lines; int t_forever; - /* With the obsolescent form, there is one option string and at most - one file argument. */ - if (argc < 2 || argc > 3) + /* With the obsolescent form, there is one option string and + (technically) at most one file argument. But we allow two or more. */ + if (argc < 2) return 0; /* If I were implementing this in Perl, the rest of this function @@ -975,6 +975,14 @@ parse_obsolescent_option (int argc, const char *const *argv, if (!*fail) { + if (argc > 3) + { + error (0, 0, _("\ +Warning: it is not portable to use two or more file arguments with\n\ +tail's obsolescent option syntax (%s). Use the equivalent -n or -c option\n\ +to avoid this warning."), argv[1]); + } + /* Set globals. */ from_start = t_from_start; count_lines = t_count_lines; |