Clarify "tail - f" example.

2026-08-11 03:03:51 +02:00 · 2005-09-30 04:50:48 +00:00
parent 89e6ed115f
commit a93720f8ac
2 changed files with 8 additions and 1 deletions
@@ -1,3 +1,7 @@
+2005-09-29  Paul Eggert  <eggert@cs.ucla.edu>
+
+	* NEWS: Clarify "tail - f" example.
+
 2005-09-29  Jim Meyering  <jim@meyering.net>

 	* Version 5.90.
@@ -38,11 +38,14 @@ GNU coreutils NEWS                                    -*- outline -*-
                      POSIX 1003.2-1992    POSIX 1003.1-2001
    sort +4           sort -k 5            sort ./+4
    tail +4           tail -n +4           tail ./+4
-    tail - main.c     tail main.c          tail -- - main.c
+    tail - f          tail f               [see (*) below]
    tail -c 4         tail -c 10 ./4       tail -c4
    touch 12312359 f  touch -t 12312359 f  touch ./12312359 f
    uniq +4           uniq -s 4            uniq ./+4

+    (*) "tail - f" does not conform to POSIX 1003.1-2001; to read
+    standard input and then "f", use the command "tail -- - f".
+
  These changes are in response to decisions taken in the January 2005
  Austin Group standardization meeting.  For more details, please see
  "Utility Syntax Guidelines" in the Minutes of the January 2005