2013/2/28 Eli Zaretskii <eliz@gnu.org>
I don't understand what you are trying to say.  A picture is worth a
thousand words, so here's the contents of
coreutils-5.97-3-msys-1.0.13-bin.tar.lzma:

  -rwxr-xr-x  0 cwilson Administrators 20992 Apr 28  2010 bin/basename.exe
  -rwxr-xr-x  0 cwilson Administrators 24064 Apr 28  2010 bin/cat.exe
  -rwxr-xr-x  0 cwilson Administrators 37376 Apr 28  2010 bin/chmod.exe
  -rwxr-xr-x  0 cwilson Administrators 23040 Apr 28  2010 bin/comm.exe
  -rwxr-xr-x  0 cwilson Administrators 116736 Apr 28  2010 bin/cp.exe
  -rwxr-xr-x  0 cwilson Administrators  30720 Apr 28  2010 bin/cut.exe
  -rwxr-xr-x  0 cwilson Administrators  57344 Apr 28  2010 bin/date.exe
  -rwxr-xr-x  0 cwilson Administrators  21504 Apr 28  2010 bin/dirname.exe
  -rwxr-xr-x  0 cwilson Administrators  22016 Apr 28  2010 bin/echo.exe
  -rwxr-xr-x  0 cwilson Administrators  20480 Apr 28  2010 bin/env.exe
  -rwxr-xr-x  0 cwilson Administrators  95744 Apr 28  2010 bin/expr.exe
  -rwxr-xr-x  0 cwilson Administrators  14848 Apr 28  2010 bin/false.exe
  -rwxr-xr-x  0 cwilson Administrators  23552 Apr 28  2010 bin/fold.exe
  -rwxr-xr-x  0 cwilson Administrators  33280 Apr 28  2010 bin/head.exe
  -rwxr-xr-x  0 cwilson Administrators  23552 Apr 28  2010 bin/id.exe
  -rwxr-xr-x  0 cwilson Administrators 121856 Apr 28  2010 bin/install.exe
  -rw-r--r--  0 cwilson Administrators    378 Apr 28  2010 bin/install.exe.manifest
  -rwxr-xr-x  0 cwilson Administrators  33280 Apr 28  2010 bin/join.exe
  -rwxr-xr-x  0 cwilson Administrators  90624 Apr 28  2010 bin/ln.exe
  -rwxr-xr-x  0 cwilson Administrators  96768 Apr 28  2010 bin/ls.exe
  -rwxr-xr-x  0 cwilson Administrators  39424 Apr 28  2010 bin/md5sum.exe
  -rwxr-xr-x  0 cwilson Administrators  29696 Apr 28  2010 bin/mkdir.exe
  -rwxr-xr-x  0 cwilson Administrators 125440 Apr 28  2010 bin/mv.exe
  -rwxr-xr-x  0 cwilson Administrators  46592 Apr 28  2010 bin/od.exe
  -rwxr-xr-x  0 cwilson Administrators  23040 Apr 28  2010 bin/paste.exe
  -rwxr-xr-x  0 cwilson Administrators  31744 Apr 28  2010 bin/printf.exe
  -rwxr-xr-x  0 cwilson Administrators  22528 Apr 28  2010 bin/pwd.exe
  -rwxr-xr-x  0 cwilson Administrators 100352 Apr 28  2010 bin/rm.exe
  -rwxr-xr-x  0 cwilson Administrators  21504 Apr 28  2010 bin/rmdir.exe
  -rwxr-xr-x  0 cwilson Administrators  21504 Apr 28  2010 bin/sleep.exe
  -rwxr-xr-x  0 cwilson Administrators  53760 Apr 28  2010 bin/sort.exe
  -rwxr-xr-x  0 cwilson Administrators  32768 Apr 28  2010 bin/split.exe
  -rwxr-xr-x  0 cwilson Administrators  49664 Apr 28  2010 bin/stty.exe
  -rwxr-xr-x  0 cwilson Administrators  46080 Apr 28  2010 bin/tail.exe
  -rwxr-xr-x  0 cwilson Administrators  21504 Apr 28  2010 bin/tee.exe
  -rwxr-xr-x  0 cwilson Administrators  45056 Apr 28  2010 bin/touch.exe
  -rwxr-xr-x  0 cwilson Administrators  38912 Apr 28  2010 bin/tr.exe
  -rwxr-xr-x  0 cwilson Administrators  14848 Apr 28  2010 bin/true.exe
  -rwxr-xr-x  0 cwilson Administrators  21504 Apr 28  2010 bin/uname.exe
  -rwxr-xr-x  0 cwilson Administrators  29696 Apr 28  2010 bin/uniq.exe
  -rwxr-xr-x  0 cwilson Administrators  24576 Apr 28  2010 bin/wc.exe

And here's the contents of coreutils-5.97-3-msys-1.0.13-ext.tar.lzma:

  -rwxr-xr-x  0 cwilson Administrators 33280 Apr 28  2010 bin/[.exe
  -rwxr-xr-x  0 cwilson Administrators 40960 Apr 28  2010 bin/chgrp.exe
  -rwxr-xr-x  0 cwilson Administrators 43008 Apr 28  2010 bin/chown.exe
  -rwxr-xr-x  0 cwilson Administrators 20480 Apr 28  2010 bin/chroot.exe
  -rwxr-xr-x  0 cwilson Administrators 23040 Apr 28  2010 bin/cksum.exe
  -rwxr-xr-x  0 cwilson Administrators 101888 Apr 28  2010 bin/csplit.exe
  -rwxr-xr-x  0 cwilson Administrators  46592 Apr 28  2010 bin/dd.exe
  -rwxr-xr-x  0 cwilson Administrators  46592 Apr 28  2010 bin/df.exe
  -rwxr-xr-x  0 cwilson Administrators  96768 Apr 28  2010 bin/dir.exe
  -rwxr-xr-x  0 cwilson Administrators  29184 Apr 28  2010 bin/dircolors.exe
  -rwxr-xr-x  0 cwilson Administrators  74752 Apr 28  2010 bin/du.exe
  -rwxr-xr-x  0 cwilson Administrators  23552 Apr 28  2010 bin/expand.exe
  -rwxr-xr-x  0 cwilson Administrators  27648 Apr 28  2010 bin/factor.exe
  -rwxr-xr-x  0 cwilson Administrators  27136 Apr 28  2010 bin/fmt.exe
  -rwxr-xr-x  0 cwilson Administrators   1931 Apr 28  2010 bin/groups
  -rwxr-xr-x  0 cwilson Administrators  20480 Apr 28  2010 bin/hostname.exe
  -rwxr-xr-x  0 cwilson Administrators  25600 Apr 28  2010 bin/kill.exe
  -rwxr-xr-x  0 cwilson Administrators  20480 Apr 28  2010 bin/link.exe
  -rwxr-xr-x  0 cwilson Administrators  20480 Apr 28  2010 bin/logname.exe
  -rwxr-xr-x  0 cwilson Administrators  21504 Apr 28  2010 bin/mkfifo.exe
  -rwxr-xr-x  0 cwilson Administrators  27648 Apr 28  2010 bin/mknod.exe
  -rwxr-xr-x  0 cwilson Administrators  23040 Apr 28  2010 bin/nice.exe
  -rwxr-xr-x  0 cwilson Administrators  90624 Apr 28  2010 bin/nl.exe
  -rwxr-xr-x  0 cwilson Administrators  22016 Apr 28  2010 bin/nohup.exe
  -rwxr-xr-x  0 cwilson Administrators  22016 Apr 28  2010 bin/pathchk.exe
  -rwxr-xr-x  0 cwilson Administrators  27648 Apr 28  2010 bin/pinky.exe
  -rwxr-xr-x  0 cwilson Administrators  59904 Apr 28  2010 bin/pr.exe
  -rwxr-xr-x  0 cwilson Administrators  20480 Apr 28  2010 bin/printenv.exe
  -rwxr-xr-x  0 cwilson Administrators  97280 Apr 28  2010 bin/ptx.exe
  -rwxr-xr-x  0 cwilson Administrators  23552 Apr 28  2010 bin/readlink.exe
  -rwxr-xr-x  0 cwilson Administrators  23552 Apr 28  2010 bin/seq.exe
  -rwxr-xr-x  0 cwilson Administrators  39424 Apr 28  2010 bin/sha1sum.exe
  -rwxr-xr-x  0 cwilson Administrators  44544 Apr 28  2010 bin/shred.exe
  -rwxr-xr-x  0 cwilson Administrators  44032 Apr 28  2010 bin/stat.exe
  -r-xr-xr-x  0 cwilson Administrators  26624 Apr 28  2010 bin/su.exe
  -rwxr-xr-x  0 cwilson Administrators  31744 Apr 28  2010 bin/sum.exe
  -rwxr-xr-x  0 cwilson Administrators  19968 Apr 28  2010 bin/sync.exe
  -rwxr-xr-x  0 cwilson Administrators  81920 Apr 28  2010 bin/tac.exe
  -rwxr-xr-x  0 cwilson Administrators  26624 Apr 28  2010 bin/test.exe
  -rwxr-xr-x  0 cwilson Administrators  23552 Apr 28  2010 bin/tsort.exe
  -rwxr-xr-x  0 cwilson Administrators  20480 Apr 28  2010 bin/tty.exe
  -rwxr-xr-x  0 cwilson Administrators  25088 Apr 28  2010 bin/unexpand.exe
  -rwxr-xr-x  0 cwilson Administrators  20480 Apr 28  2010 bin/unlink.exe
  -rwxr-xr-x  0 cwilson Administrators  21504 Apr 28  2010 bin/users.exe
  -rwxr-xr-x  0 cwilson Administrators  96768 Apr 28  2010 bin/vdir.exe
  -rwxr-xr-x  0 cwilson Administrators  36864 Apr 28  2010 bin/who.exe
  -rwxr-xr-x  0 cwilson Administrators  20480 Apr 28  2010 bin/whoami.exe
  -rwxr-xr-x  0 cwilson Administrators  20480 Apr 28  2010 bin/yes.exe

I think the source of this confusion is that I didn't note that the ext package is installed and removed automatically together with the main package (see below). The ext package is actually a component of the package, not a separate optional package.

$ mingw-get remove msys-coreutils
remove: coreutils-5.97-3-msys-1.0.13-ext.tar.lzma
 removing release coreutils-5.97-3-msys-1.0.13-ext.tar.lzma
remove: coreutils-5.97-3-msys-1.0.13-lang.tar.lzma
 removing release coreutils-5.97-3-msys-1.0.13-lang.tar.lzma
remove: coreutils-5.97-3-msys-1.0.13-doc.tar.lzma
 removing release coreutils-5.97-3-msys-1.0.13-doc.tar.lzma
remove: coreutils-5.97-3-msys-1.0.13-lic.tar.lzma
 removing release coreutils-5.97-3-msys-1.0.13-lic.tar.lzma

$ readlink
bash: /bin/readlink: No such file or directory

$ mingw-get install msys-coreutils
install: coreutils-5.97-3-msys-1.0.13-ext.tar.lzma
 installing coreutils-5.97-3-msys-1.0.13-ext.tar.lzma
install: coreutils-5.97-3-msys-1.0.13-lang.tar.lzma
 installing coreutils-5.97-3-msys-1.0.13-lang.tar.lzma
install: coreutils-5.97-3-msys-1.0.13-doc.tar.lzma
 installing coreutils-5.97-3-msys-1.0.13-doc.tar.lzma
install: coreutils-5.97-3-msys-1.0.13-lic.tar.lzma
 installing coreutils-5.97-3-msys-1.0.13-lic.tar.lzma

$ readlink
readlink: missing operand
Try `readlink --help' for more information.