DIT-TD1:/# aptitude install perl-modules
Reading package lists... Done
Building dependency tree... Done
Reading extended state information
Initializing package states... Done
Reading task descriptions... Done
Building tag database... Done
The following NEW packages will be automatically installed:
  perl perl-doc
The following NEW packages will be installed:
  perl perl-doc perl-modules
0 packages upgraded, 3 newly installed, 0 to remove and 0 not upgraded.
Need to get 13.2MB of archives. After unpacking 38.5MB will be used.
Do you want to continue? [Y/n/?]
Writing extended state information... Done
Get:1 http://192.168.0.143 etch/main perl-modules 5.8.8-7 [2310kB]
Get:2 http://192.168.0.143 etch/main perl 5.8.8-7 [3575kB]
Get:3 http://192.168.0.143 etch/main perl-doc 5.8.8-7 [7352kB]
Fetched 13.2MB in 11s (1183kB/s)
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = "en_BT:en_US:en_GB:en",
        LC_ALL = (unset),
        LANG = "en_US"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
Selecting previously deselected package perl-modules.
(Reading database ... 7165 files and directories currently installed.)
Unpacking perl-modules (from .../perl-modules_5.8.8-7_all.deb) ...
Selecting previously deselected package perl.
Unpacking perl (from .../archives/perl_5.8.8-7_i386.deb) ...
Selecting previously deselected package perl-doc.
Unpacking perl-doc (from .../perl-doc_5.8.8-7_all.deb) ...
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = "en_BT:en_US:en_GB:en",
        LC_ALL = (unset),
        LANG = "en_US"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Adding `diversion of /usr/bin/perldoc to /usr/bin/perldoc.stub by perl-doc'
Setting up perl-modules (5.8.8-7) ...
Setting up perl (5.8.8-7) ...
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = "en_BT:en_US:en_GB:en",
        LC_ALL = (unset),
        LANG = "en_US"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").

Setting up perl-doc (5.8.8-7) ...