maint: use single copyright year range

Run "make update-copyright".

88 files changed, 88 insertions, 99 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index df9995dc6..b12406477 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in -*-Makefile-*-
 
-## Copyright (C) 1990-1991, 1993-2012 Free Software Foundation, Inc.
+## Copyright (C) 1990-2012 Free Software Foundation, Inc.
 
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/src/basename.c b/src/basename.c
index da3025d45..daa2895f0 100644
--- a/src/basename.c
+++ b/src/basename.c
@@ -1,5 +1,5 @@
 /* basename -- strip directory and suffix from file names
-   Copyright (C) 1990-1997, 1999-2012 Free Software Foundation, Inc.
+   Copyright (C) 1990-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/cat.c b/src/cat.c
index bc862d38f..41a1b4157 100644
--- a/src/cat.c
+++ b/src/cat.c
@@ -1,5 +1,5 @@
 /* cat -- concatenate files and print on the standard output.
-   Copyright (C) 1988, 1990-1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1988-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/chgrp.c b/src/chgrp.c
index 63c66d7da..16b5e96d8 100644
--- a/src/chgrp.c
+++ b/src/chgrp.c
@@ -1,5 +1,5 @@
 /* chgrp -- change group ownership of files
-   Copyright (C) 1989-1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/chmod.c b/src/chmod.c
index 09c13756f..a134e3f20 100644
--- a/src/chmod.c
+++ b/src/chmod.c
@@ -1,5 +1,5 @@
 /* chmod -- change permission modes of files
-   Copyright (C) 1989-1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/chown-core.c b/src/chown-core.c
index 086998659..b7de4320c 100644
--- a/src/chown-core.c
+++ b/src/chown-core.c
@@ -1,5 +1,5 @@
 /* chown-core.c -- core functions for changing ownership.
-   Copyright (C) 2000, 2002-2012 Free Software Foundation, Inc.
+   Copyright (C) 2000-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/chown-core.h b/src/chown-core.h
index 8d333691e..38b3ba111 100644
--- a/src/chown-core.h
+++ b/src/chown-core.h
@@ -1,6 +1,6 @@
 /* chown-core.h -- types and prototypes shared by chown and chgrp.
 
-   Copyright (C) 2000, 2003-2005, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 2000-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/chown.c b/src/chown.c
index 2025ac208..8b4add795 100644
--- a/src/chown.c
+++ b/src/chown.c
@@ -1,5 +1,5 @@
 /* chown -- change user and group ownership of files
-   Copyright (C) 1989-1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/chroot.c b/src/chroot.c
index bfe4aee1a..dbb5c6dac 100644
--- a/src/chroot.c
+++ b/src/chroot.c
@@ -1,5 +1,5 @@
 /* chroot -- run command or shell with special root directory
-   Copyright (C) 1995-1997, 1999-2004, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 1995-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/cksum.c b/src/cksum.c
index 0f24a95df..d3ce0f8e9 100644
--- a/src/cksum.c
+++ b/src/cksum.c
@@ -1,5 +1,5 @@
 /* cksum -- calculate and print POSIX checksums and sizes of files
-   Copyright (C) 1992, 1995-2006, 2008-2012 Free Software Foundation, Inc.
+   Copyright (C) 1992-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/comm.c b/src/comm.c
index 90dbf61bc..04422d66f 100644
--- a/src/comm.c
+++ b/src/comm.c
@@ -1,6 +1,5 @@
 /* comm -- compare two sorted files line by line.
-   Copyright (C) 1986, 1990-1991, 1995-2005, 2008-2012 Free Software
-   Foundation, Inc.
+   Copyright (C) 1986-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/copy.c b/src/copy.c
index 21b61ee5a..51f51be3c 100644
--- a/src/copy.c
+++ b/src/copy.c
@@ -1,5 +1,5 @@
 /* copy.c -- core functions for copying files and directories
-   Copyright (C) 1989-1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/copy.h b/src/copy.h
index 715416e0f..d70c09ea8 100644
--- a/src/copy.h
+++ b/src/copy.h
@@ -1,5 +1,5 @@
 /* core functions for copying files and directories
-   Copyright (C) 1989-1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/cp-hash.c b/src/cp-hash.c
index e0b462edd..77fd993ce 100644
--- a/src/cp-hash.c
+++ b/src/cp-hash.c
@@ -1,5 +1,5 @@
 /* cp-hash.c  -- file copying (hash search routines)
-   Copyright (C) 1989-1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/cp.c b/src/cp.c
index f2daf4886..6649af2e9 100644
--- a/src/cp.c
+++ b/src/cp.c
@@ -1,5 +1,5 @@
 /* cp.c  -- file copying (main routines)
-   Copyright (C) 1989-1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/csplit.c b/src/csplit.c
index a99c3d655..fb43350a2 100644
--- a/src/csplit.c
+++ b/src/csplit.c
@@ -1,5 +1,5 @@
 /* csplit - split a file into sections determined by context lines
-   Copyright (C) 1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1991-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/dcgen b/src/dcgen
index 423ad9007..17efffc7d 100755
--- a/src/dcgen
+++ b/src/dcgen
@@ -1,7 +1,7 @@
 #!/usr/bin/perl -w
 # dcgen -- convert dircolors.hin to dircolors.h.
 
-# Copyright (C) 1996, 1998, 2004-2006, 2009-2012 Free Software Foundation, Inc.
+# Copyright (C) 1996-2012 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/src/dd.c b/src/dd.c
index 8c687b38d..2c545c220 100644
--- a/src/dd.c
+++ b/src/dd.c
@@ -1,5 +1,5 @@
 /* dd -- convert a file while copying it.
-   Copyright (C) 1985, 1990-1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1985-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/df.c b/src/df.c
index e998c90d6..e99fedff4 100644
--- a/src/df.c
+++ b/src/df.c
@@ -1,5 +1,5 @@
 /* df - summarize free disk space
-   Copyright (C) 1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1991-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/dircolors.hin b/src/dircolors.hin
index b506bb38e..4606d1a23 100644
--- a/src/dircolors.hin
+++ b/src/dircolors.hin
@@ -1,7 +1,7 @@
 # Configuration file for dircolors, a utility to help you set the
 # LS_COLORS environment variable used by GNU ls with the --color option.
 
-# Copyright (C) 1996, 1999-2012 Free Software Foundation, Inc.
+# Copyright (C) 1996-2012 Free Software Foundation, Inc.
 # Copying and distribution of this file, with or without modification,
 # are permitted provided the copyright notice and this notice are preserved.
 
diff --git a/src/dirname.c b/src/dirname.c
index d38a7a0c0..3637a046f 100644
--- a/src/dirname.c
+++ b/src/dirname.c
@@ -1,6 +1,6 @@
 /* dirname -- strip suffix from file name
 
-   Copyright (C) 1990-1997, 1999-2002, 2004-2012 Free Software Foundation, Inc.
+   Copyright (C) 1990-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/du-tests b/src/du-tests
index 8a5396199..68126d8f0 100755
--- a/src/du-tests
+++ b/src/du-tests
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Copyright (C) 2003, 2006, 2009-2012 Free Software Foundation, Inc.
+# Copyright (C) 2003-2012 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/src/du.c b/src/du.c
index e72ffc9d8..e4e36dfea 100644
--- a/src/du.c
+++ b/src/du.c
@@ -1,5 +1,5 @@
 /* du -- summarize disk usage
-   Copyright (C) 1988-1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1988-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/echo.c b/src/echo.c
index fa01da896..8c3da597c 100644
--- a/src/echo.c
+++ b/src/echo.c
@@ -1,6 +1,5 @@
 /* echo.c, derived from code echo.c in Bash.
-   Copyright (C) 1987, 1989, 1991-1997, 1999-2005, 2007-2012 Free Software
-   Foundation, Inc.
+   Copyright (C) 1987-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/env.c b/src/env.c
index ffd609fac..20d5fb8bb 100644
--- a/src/env.c
+++ b/src/env.c
@@ -1,5 +1,5 @@
 /* env - run a program in a modified environment
-   Copyright (C) 1986, 1991-2005, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 1986-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/expand.c b/src/expand.c
index 2e0f2510d..56e5db6f4 100644
--- a/src/expand.c
+++ b/src/expand.c
@@ -1,6 +1,5 @@
 /* expand - convert tabs to spaces
-   Copyright (C) 1989, 1991, 1995-2006, 2008-2012 Free Software Foundation,
-   Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/expr.c b/src/expr.c
index 744f0f2d8..536801048 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -1,5 +1,5 @@
 /* expr -- evaluate expressions.
-   Copyright (C) 1986, 1991-1997, 1999-2012 Free Software Foundation, Inc.
+   Copyright (C) 1986-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/extract-magic b/src/extract-magic
index 590f30d70..9601ddd10 100644
--- a/src/extract-magic
+++ b/src/extract-magic
@@ -1,7 +1,7 @@
 #!/usr/bin/perl -w
 # Derive #define directives from specially formatted 'case ...:' statements.
 
-# Copyright (C) 2003, 2005, 2009-2012 Free Software Foundation, Inc.
+# Copyright (C) 2003-2012 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/src/factor.c b/src/factor.c
index c665772c4..1d5580507 100644
--- a/src/factor.c
+++ b/src/factor.c
@@ -1,5 +1,5 @@
 /* factor -- print prime factors of n.
-   Copyright (C) 1986, 1995-2005, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 1986-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/fmt.c b/src/fmt.c
index c75bd9442..89d13a6d2 100644
--- a/src/fmt.c
+++ b/src/fmt.c
@@ -1,5 +1,5 @@
 /* GNU fmt -- simple text formatter.
-   Copyright (C) 1994-2006, 2008-2012 Free Software Foundation, Inc.
+   Copyright (C) 1994-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/fold.c b/src/fold.c
index 3acc6c3d8..d2291503e 100644
--- a/src/fold.c
+++ b/src/fold.c
@@ -1,5 +1,5 @@
 /* fold -- wrap each input line to fit in specified width.
-   Copyright (C) 1991, 1995-2006, 2008-2012 Free Software Foundation, Inc.
+   Copyright (C) 1991-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/head.c b/src/head.c
index 70b59505c..d7e83b716 100644
--- a/src/head.c
+++ b/src/head.c
@@ -1,5 +1,5 @@
 /* head -- output first part of file(s)
-   Copyright (C) 1989-1991, 1995-2006, 2008-2012 Free Software Foundation, Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/hostid.c b/src/hostid.c
index 9345f1083..622a3d71e 100644
--- a/src/hostid.c
+++ b/src/hostid.c
@@ -1,6 +1,6 @@
 /* print the hexadecimal identifier for the current host
 
-   Copyright (C) 1997, 1999-2004, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 1997-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/hostname.c b/src/hostname.c
index 843f0a9f9..f6d915681 100644
--- a/src/hostname.c
+++ b/src/hostname.c
@@ -1,5 +1,5 @@
 /* hostname - set or print the name of current host system
-   Copyright (C) 1994-1997, 1999-2005, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 1994-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/install.c b/src/install.c
index f43b95aa0..5468d2640 100644
--- a/src/install.c
+++ b/src/install.c
@@ -1,5 +1,5 @@
 /* install - copy files and set attributes
-   Copyright (C) 1989-1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/ioblksize.h b/src/ioblksize.h
index 581b0f67d..dc9eb636b 100644
--- a/src/ioblksize.h
+++ b/src/ioblksize.h
@@ -1,5 +1,5 @@
 /* I/O block size definitions for coreutils
-   Copyright (C) 1989, 1991-2012 Free Software Foundation, Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/join.c b/src/join.c
index 9404aa303..b92c1f862 100644
--- a/src/join.c
+++ b/src/join.c
@@ -1,5 +1,5 @@
 /* join - join lines of two files on a common field
-   Copyright (C) 1991, 1995-2006, 2008-2012 Free Software Foundation, Inc.
+   Copyright (C) 1991-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/kill.c b/src/kill.c
index d478c2165..ad09321df 100644
--- a/src/kill.c
+++ b/src/kill.c
@@ -1,5 +1,5 @@
 /* kill -- send a signal to a process
-   Copyright (C) 2002-2005, 2008-2012 Free Software Foundation, Inc.
+   Copyright (C) 2002-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/link.c b/src/link.c
index e7bbe8b99..84911b6f9 100644
--- a/src/link.c
+++ b/src/link.c
@@ -1,5 +1,5 @@
 /* link utility for GNU.
-   Copyright (C) 2001-2002, 2004, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 2001-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/ln.c b/src/ln.c
index 8aeccb1ec..d984fd7b4 100644
--- a/src/ln.c
+++ b/src/ln.c
@@ -1,5 +1,5 @@
 /* 'ln' program to create links between files.
-   Copyright (C) 1986, 1989-1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1986-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/logname.c b/src/logname.c
index b479dd922..a7aa2fa9d 100644
--- a/src/logname.c
+++ b/src/logname.c
@@ -1,5 +1,5 @@
 /* logname -- print user's login name
-   Copyright (C) 1990-1997, 1999-2005, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 1990-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/ls.c b/src/ls.c
index 4dd8b5963..f5cd37a2d 100644
--- a/src/ls.c
+++ b/src/ls.c
@@ -1,6 +1,5 @@
 /* 'dir', 'vdir' and 'ls' directory listing programs for GNU.
-   Copyright (C) 1985, 1988, 1990-1991, 1995-2012 Free Software Foundation,
-   Inc.
+   Copyright (C) 1985-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/mkdir.c b/src/mkdir.c
index 76fc2a11d..32f79d4e3 100644
--- a/src/mkdir.c
+++ b/src/mkdir.c
@@ -1,5 +1,5 @@
 /* mkdir -- make directories
-   Copyright (C) 1990, 1995-2002, 2004-2012 Free Software Foundation, Inc.
+   Copyright (C) 1990-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/mkfifo.c b/src/mkfifo.c
index 7f03cb922..e5c871d14 100644
--- a/src/mkfifo.c
+++ b/src/mkfifo.c
@@ -1,5 +1,5 @@
 /* mkfifo -- make fifo's (named pipes)
-   Copyright (C) 1990-1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1990-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/mknod.c b/src/mknod.c
index 1c64f1c3a..3a6d695af 100644
--- a/src/mknod.c
+++ b/src/mknod.c
@@ -1,5 +1,5 @@
 /* mknod -- make special files
-   Copyright (C) 1990-1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1990-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/mv.c b/src/mv.c
index c6063a110..b1d4e79ff 100644
--- a/src/mv.c
+++ b/src/mv.c
@@ -1,5 +1,5 @@
 /* mv -- move or rename files
-   Copyright (C) 1986, 1989-1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1986-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/nice.c b/src/nice.c
index 97a74d4ba..1a90320ee 100644
--- a/src/nice.c
+++ b/src/nice.c
@@ -1,5 +1,5 @@
 /* nice -- run a program with modified niceness
-   Copyright (C) 1990-2005, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 1990-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/nl.c b/src/nl.c
index 901044d6c..21d4c4d9b 100644
--- a/src/nl.c
+++ b/src/nl.c
@@ -1,5 +1,5 @@
 /* nl -- number lines of files
-   Copyright (C) 1989, 1992, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/nohup.c b/src/nohup.c
index ab7e28506..f46ab1ebf 100644
--- a/src/nohup.c
+++ b/src/nohup.c
@@ -1,5 +1,5 @@
 /* nohup -- run a command immune to hangups, with output to a non-tty
-   Copyright (C) 2003-2005, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 2003-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/od.c b/src/od.c
index e5d2d7e97..2da282511 100644
--- a/src/od.c
+++ b/src/od.c
@@ -1,5 +1,5 @@
 /* od -- dump files in octal and other formats
-   Copyright (C) 1992, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1992-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/paste.c b/src/paste.c
index 493d0daa2..812a242d4 100644
--- a/src/paste.c
+++ b/src/paste.c
@@ -1,5 +1,5 @@
 /* paste - merge lines of files
-   Copyright (C) 1997-2005, 2008-2012 Free Software Foundation, Inc.
+   Copyright (C) 1997-2012 Free Software Foundation, Inc.
    Copyright (C) 1984 David M. Ihnat
 
    This program is free software: you can redistribute it and/or modify
diff --git a/src/pinky.c b/src/pinky.c
index 57d87304c..597bc56c0 100644
--- a/src/pinky.c
+++ b/src/pinky.c
@@ -1,5 +1,5 @@
 /* GNU's pinky.
-   Copyright (C) 1992-1997, 1999-2006, 2008-2012 Free Software Foundation, Inc.
+   Copyright (C) 1992-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/pr.c b/src/pr.c
index 6efd7a978..4f949de24 100644
--- a/src/pr.c
+++ b/src/pr.c
@@ -1,5 +1,5 @@
 /* pr -- convert text files for printing.
-   Copyright (C) 1988, 1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1988-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/printenv.c b/src/printenv.c
index a1150af1f..5c01f8d8f 100644
--- a/src/printenv.c
+++ b/src/printenv.c
@@ -1,5 +1,5 @@
 /* printenv -- print all or part of environment
-   Copyright (C) 1989-1997, 1999-2005, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/ptx.c b/src/ptx.c
index 6cfc3bf46..a5b22d4b3 100644
--- a/src/ptx.c
+++ b/src/ptx.c
@@ -1,5 +1,5 @@
 /* Permuted index for GNU, with keywords in their context.
-   Copyright (C) 1990-1991, 1993, 1998-2012 Free Software Foundation, Inc.
+   Copyright (C) 1990-2012 Free Software Foundation, Inc.
    François Pinard <pinard@iro.umontreal.ca>, 1988.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/src/pwd.c b/src/pwd.c
index d309402a8..23b7c53a4 100644
--- a/src/pwd.c
+++ b/src/pwd.c
@@ -1,5 +1,5 @@
 /* pwd - print current directory
-   Copyright (C) 1994-1997, 1999-2012 Free Software Foundation, Inc.
+   Copyright (C) 1994-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/remove.c b/src/remove.c
index 60d911027..f44a9821b 100644
--- a/src/remove.c
+++ b/src/remove.c
@@ -1,5 +1,5 @@
 /* remove.c -- core functions for removing files and directories
-   Copyright (C) 1988, 1990-1991, 1994-2012 Free Software Foundation, Inc.
+   Copyright (C) 1988-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/remove.h b/src/remove.h
index c4c59a20b..4eab2821f 100644
--- a/src/remove.h
+++ b/src/remove.h
@@ -1,6 +1,6 @@
 /* Remove directory entries.
 
-   Copyright (C) 1998, 2000, 2002-2012 Free Software Foundation, Inc.
+   Copyright (C) 1998-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/rm.c b/src/rm.c
index 6eeeafcd3..db525d02c 100644
--- a/src/rm.c
+++ b/src/rm.c
@@ -1,5 +1,5 @@
 /* 'rm' file deletion utility for GNU.
-   Copyright (C) 1988, 1990-1991, 1994-2012 Free Software Foundation, Inc.
+   Copyright (C) 1988-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/rmdir.c b/src/rmdir.c
index 737160e9b..38850c810 100644
--- a/src/rmdir.c
+++ b/src/rmdir.c
@@ -1,6 +1,6 @@
 /* rmdir -- remove directories
 
-   Copyright (C) 1990-1991, 1995-2002, 2004-2012 Free Software Foundation, Inc.
+   Copyright (C) 1990-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/sleep.c b/src/sleep.c
index 7aa1d6cb7..3aec93791 100644
--- a/src/sleep.c
+++ b/src/sleep.c
@@ -1,6 +1,5 @@
 /* sleep - delay for a specified amount of time.
-   Copyright (C) 1984, 1991-1997, 1999-2005, 2007-2012 Free Software
-   Foundation, Inc.
+   Copyright (C) 1984-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/sort.c b/src/sort.c
index 3cc1874cf..219598ec9 100644
--- a/src/sort.c
+++ b/src/sort.c
@@ -1,5 +1,5 @@
 /* sort - sort lines of text (with all kinds of options).
-   Copyright (C) 1988, 1991-2012 Free Software Foundation, Inc.
+   Copyright (C) 1988-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/split.c b/src/split.c
index 5fbce0ea2..1d0310cf2 100644
--- a/src/split.c
+++ b/src/split.c
@@ -1,5 +1,5 @@
 /* split.c -- split a file into pieces.
-   Copyright (C) 1988, 1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1988-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/stty.c b/src/stty.c
index afccf2394..8e365930e 100644
--- a/src/stty.c
+++ b/src/stty.c
@@ -1,5 +1,5 @@
 /* stty -- change and print terminal line settings
-   Copyright (C) 1990-2005, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 1990-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/su.c b/src/su.c
index 1a6aeac9f..bb54cc33a 100644
--- a/src/su.c
+++ b/src/su.c
@@ -1,5 +1,5 @@
 /* su for GNU.  Run a shell with substitute user and group IDs.
-   Copyright (C) 1992-2006, 2008-2012 Free Software Foundation, Inc.
+   Copyright (C) 1992-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/sum.c b/src/sum.c
index 2cdc080fe..df0120723 100644
--- a/src/sum.c
+++ b/src/sum.c
@@ -1,6 +1,5 @@
 /* sum -- checksum and count the blocks in a file
-   Copyright (C) 1986, 1989, 1991, 1995-2002, 2004-2005, 2008-2012 Free
-   Software Foundation, Inc.
+   Copyright (C) 1986-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/sync.c b/src/sync.c
index eaf453f08..95db2f384 100644
--- a/src/sync.c
+++ b/src/sync.c
@@ -1,5 +1,5 @@
 /* sync - update the super block
-   Copyright (C) 1994-2004, 2008-2012 Free Software Foundation, Inc.
+   Copyright (C) 1994-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/system.h b/src/system.h
index 2430b9487..c4f262dbb 100644
--- a/src/system.h
+++ b/src/system.h
@@ -1,5 +1,5 @@
 /* system-dependent definitions for coreutils
-   Copyright (C) 1989, 1991-2012 Free Software Foundation, Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/tac-pipe.c b/src/tac-pipe.c
index a76db5da3..fc2201f08 100644
--- a/src/tac-pipe.c
+++ b/src/tac-pipe.c
@@ -1,7 +1,6 @@
 /* tac from a pipe.
 
-   Copyright (C) 1997-1998, 2002, 2004, 2009-2012 Free Software Foundation,
-   Inc.
+   Copyright (C) 1997-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/tac.c b/src/tac.c
index 6e5b25628..670b20dc6 100644
--- a/src/tac.c
+++ b/src/tac.c
@@ -1,5 +1,5 @@
 /* tac - concatenate and print files in reverse
-   Copyright (C) 1988-1991, 1995-2006, 2008-2012 Free Software Foundation, Inc.
+   Copyright (C) 1988-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/tail.c b/src/tail.c
index 92746e06d..29ddabd62 100644
--- a/src/tail.c
+++ b/src/tail.c
@@ -1,5 +1,5 @@
 /* tail -- output the last part of file(s)
-   Copyright (C) 1989-1991, 1995-2006, 2008-2012 Free Software Foundation, Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/tee.c b/src/tee.c
index 36bb4b6b0..2d82577e8 100644
--- a/src/tee.c
+++ b/src/tee.c
@@ -1,5 +1,5 @@
 /* tee - read from standard input and write to standard output and files.
-   Copyright (C) 1985, 1990-2006, 2008-2012 Free Software Foundation, Inc.
+   Copyright (C) 1985-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/test.c b/src/test.c
index a69c5e10d..2d562d963 100644
--- a/src/test.c
+++ b/src/test.c
@@ -2,7 +2,7 @@
 
 /* Modified to run with the GNU shell by bfox. */
 
-/* Copyright (C) 1987-2005, 2007-2012 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/touch.c b/src/touch.c
index 1d547d0a4..368516e7d 100644
--- a/src/touch.c
+++ b/src/touch.c
@@ -1,6 +1,5 @@
 /* touch -- change modification and access times of files
-   Copyright (C) 1987, 1989-1991, 1995-2005, 2007-2012 Free Software
-   Foundation, Inc.
+   Copyright (C) 1987-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/tr.c b/src/tr.c
index bc410aa9c..2a86b5a90 100644
--- a/src/tr.c
+++ b/src/tr.c
@@ -1,5 +1,5 @@
 /* tr -- a filter to translate characters
-   Copyright (C) 1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1991-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/true.c b/src/true.c
index 658a7d97b..b37ac543c 100644
--- a/src/true.c
+++ b/src/true.c
@@ -1,5 +1,5 @@
 /* Exit with a status code indicating success.
-   Copyright (C) 1999-2003, 2005, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 1999-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/tsort.c b/src/tsort.c
index dc69b1e0e..04ddbcd3d 100644
--- a/src/tsort.c
+++ b/src/tsort.c
@@ -1,5 +1,5 @@
 /* tsort - topological sort.
-   Copyright (C) 1998-2005, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 1998-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/tty.c b/src/tty.c
index a64440bd5..63598a0fe 100644
--- a/src/tty.c
+++ b/src/tty.c
@@ -1,5 +1,5 @@
 /* tty -- print the name of the terminal connected to standard input
-   Copyright (C) 1990-2005, 2008-2012 Free Software Foundation, Inc.
+   Copyright (C) 1990-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/uname.c b/src/uname.c
index 04f2fd696..0eb123b62 100644
--- a/src/uname.c
+++ b/src/uname.c
@@ -1,7 +1,6 @@
 /* uname -- print system information
 
-   Copyright (C) 1989, 1992-1993, 1996-1997, 1999-2005, 2007-2012 Free Software
-   Foundation, Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/unexpand.c b/src/unexpand.c
index 908e444e5..ea0fc7100 100644
--- a/src/unexpand.c
+++ b/src/unexpand.c
@@ -1,6 +1,5 @@
 /* unexpand - convert blanks to tabs
-   Copyright (C) 1989, 1991, 1995-2006, 2008-2012 Free Software Foundation,
-   Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/uniq.c b/src/uniq.c
index 20e2892bd..9ed59d78c 100644
--- a/src/uniq.c
+++ b/src/uniq.c
@@ -1,5 +1,5 @@
 /* uniq -- remove duplicate lines from a sorted file
-   Copyright (C) 1986, 1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1986-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/unlink.c b/src/unlink.c
index 1759fe510..e2bab5a28 100644
--- a/src/unlink.c
+++ b/src/unlink.c
@@ -1,5 +1,5 @@
 /* unlink utility for GNU.
-   Copyright (C) 2001-2002, 2004, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 2001-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/uptime.c b/src/uptime.c
index 1bb16ca80..f8c7cfabc 100644
--- a/src/uptime.c
+++ b/src/uptime.c
@@ -1,5 +1,5 @@
 /* GNU's uptime.
-   Copyright (C) 1992-2002, 2004-2012 Free Software Foundation, Inc.
+   Copyright (C) 1992-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/users.c b/src/users.c
index e6e1e20de..48940aaaf 100644
--- a/src/users.c
+++ b/src/users.c
@@ -1,5 +1,5 @@
 /* GNU's users.
-   Copyright (C) 1992-2005, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 1992-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/wc.c b/src/wc.c
index 8c45af333..1b8a7a4f2 100644
--- a/src/wc.c
+++ b/src/wc.c
@@ -1,5 +1,5 @@
 /* wc - print the number of lines, words, and bytes in files
-   Copyright (C) 1985, 1991, 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1985-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/wheel-gen.pl b/src/wheel-gen.pl
index 8d64437c5..65b60d12d 100755
--- a/src/wheel-gen.pl
+++ b/src/wheel-gen.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl -w
 # Generate the spokes of a wheel, for wheel factorization.
 
-# Copyright (C) 2001, 2005, 2009-2012 Free Software Foundation, Inc.
+# Copyright (C) 2001-2012 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/src/whoami.c b/src/whoami.c
index 6d9ec754c..4e090f6fa 100644
--- a/src/whoami.c
+++ b/src/whoami.c
@@ -1,7 +1,6 @@
 /* whoami -- print effective userid
 
-   Copyright (C) 1989-1997, 1999-2002, 2004-2005, 2007-2012 Free Software
-   Foundation, Inc.
+   Copyright (C) 1989-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/yes.c b/src/yes.c
index a6f815abc..cc4454669 100644
--- a/src/yes.c
+++ b/src/yes.c
@@ -1,5 +1,5 @@
 /* yes - output a string repeatedly until killed
-   Copyright (C) 1991-1997, 1999-2004, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 1991-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by