Error with command 'join'

[Hector G .]

Hi,

I have two files listed below, Is there something wrong with my file or
with the command 'join'?

address@hidden tmp]# cat aa.txt
11 aaaaaaa 1 2 3 4 5 6a
12 bbbbbbb 1 2 3 4 5 6n
13 ccccccccccc 1 2 3 4 5 6c
14 dddddddddd 1 2 3 4 5 6d
15 eeeeeeeeee 1 2 3 4 5 6e

address@hidden tmp]# cat bb.txt 
11 AA
13 CC
14 DD
15 EE


LOOK.
The fields of the second file (AA,CC,DD,EE), wrote on the fields of the first 
file. 
?¿?¿?¿?¿

address@hidden tmp]# join -a 1  aa.txt bb.txt 
 AAaaaaaaa 1 2 3 4 5 6a
12 bbbbbbb 1 2 3 4 5 6n
 CCccccccccccc 1 2 3 4 5 6c
 DDdddddddddd 1 2 3 4 5 6d
 EEeeeeeeeeee 1 2 3 4 5 6e
address@hidden tmp]# 

thanks.
          Hector Gonzalez.

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
FEDORA CORE 7

address@hidden tmp]# join --version
join (GNU coreutils) 6.9
Copyright (C) 2007 Free Software Foundation, Inc.
This is free software.  You may redistribute copies of it under the terms of
the GNU General Public License .
There is NO WARRANTY, to the extent permitted by law.

Escrito por Mike Haertel.
address@hidden tmp]# uname -a
Linux localhost.localdomain 2.6.21-1.3194.fc7 #1 SMP Wed May 23 22:35:01 EDT 
2007 i686 i686 i386 GNU/Linux
address@hidden tmp]# 

address@hidden tmp]# set
BASH=/bin/bash
BASH_ARGC=()
BASH_ARGV=()
BASH_LINENO=()
BASH_SOURCE=()
BASH_VERSINFO=([0]="3" [1]="2" [2]="9" [3]="1" [4]="release" 
[5]="i686-redhat-linux-gnu")
BASH_VERSION='3.2.9(1)-release'
COLORS=/etc/DIR_COLORS.xterm
COLORTERM=gnome-terminal
COLUMNS=80
CVS_RSH=ssh
DBUS_SESSION_BUS_ADDRESS=unix:abstract=/tmp/dbus-lm60DPDVpB,guid=0dd1e19cf93d6d60a95194004766b1ef
DESKTOP_SESSION=default
DESKTOP_STARTUP_ID=
DIRSTACK=()
DISPLAY=:0.0
EUID=0
GDMSESSION=default
GDM_XSERVER_LOCATION=local
GNOME_DESKTOP_SESSION_ID=Default
GNOME_KEYRING_SOCKET=/tmp/keyring-1Vsl6I/socket
GROUPS=()
GTK_RC_FILES=/etc/gtk/gtkrc:/root/.gtkrc-1.2-gnome2
G_BROKEN_FILENAMES=1
HISTFILE=/root/.bash_history
HISTFILESIZE=1000
HISTSIZE=1000
HOME=/root
HOSTNAME=localhost.localdomain
HOSTTYPE=i686
IFS=$' \t\n'
INPUTRC=/etc/inputrc
KDEDIRS=/usr
KDE_IS_PRELINKED=1
LANG=es_ES.UTF-8
LESSOPEN='|/usr/bin/lesspipe.sh %s'
LINES=24
LOGNAME=root
LS_COLORS='no=00:fi=00:di=00;34:ln=00;36:pi=40;33:so=00;35:bd=40;33;01:cd=40;33;01:or=01;05;37;41:mi=01;05;37;41:ex=00;32:*.cmd=00;32:*.exe=00;32:*.com=00;32:*.btm=00;32:*.bat=00;32:*.sh=00;32:*.csh=00;32:*.tar=00;31:*.tgz=00;31:*.arj=00;31:*.taz=00;31:*.lzh=00;31:*.zip=00;31:*.z=00;31:*.Z=00;31:*.gz=00;31:*.bz2=00;31:*.bz=00;31:*.tz=00;31:*.rpm=00;31:*.cpio=00;31:*.jpg=00;35:*.gif=00;35:*.bmp=00;35:*.xbm=00;35:*.xpm=00;35:*.png=00;35:*.tif=00;35:'
MACHTYPE=i686-redhat-linux-gnu
MAIL=/var/spool/mail/root
MAILCHECK=60
OLDPWD=/root
OPTERR=1
OPTIND=1
OSTYPE=linux-gnu
PATH=/usr/kerberos/sbin:/usr/kerberos/bin:/usr/lib/ccache:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
PIPESTATUS=([0]="0")
PPID=3016
PROMPT_COMMAND='echo -ne "\033]0;address@hidden:${PWD/#$HOME/~}"; echo -ne 
"\007"'
PS1='address@hidden \W]\$ '
PS2='> '
PS4='+ '
PWD=/root/tmp
SESSION_MANAGER=local/unix:/tmp/.ICE-unix/2788
SHELL=/bin/bash
SHELLOPTS=braceexpand:emacs:hashall:histexpand:history:interactive-comments:monitor
SHLVL=2
SSH_AGENT_PID=2888
SSH_ASKPASS=/usr/libexec/openssh/gnome-ssh-askpass
SSH_AUTH_SOCK=/tmp/ssh-OMoCkS2788/agent.2788
TERM=xterm
UID=0
USER=root
WINDOWID=52428876
XAUTHORITY=/tmp/.gdm7TJA3T
XDG_SESSION_COOKIE=9407f3922edc93433b8e29004749bf00-1197912559.485050-2129316092
_=bb.txt
consoletype=pty
address@hidden tmp]# 

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