←[32m
cpan shell -- CPAN exploration and modules installation (v1.9402)
Enter 'h' for help.←[0m

cpan> o conf /color/
←[32m$CPAN::Config options from ←[0m←[32m'C:\Perl64\lib/CPAN/Config.pm'←[0m←[32m:←[0m
←[32m←[0m
←[32m    colorize_debug     undef←[0m
←[32m    colorize_output    [undef]←[0m
←[32m    colorize_print     [green]←[0m
←[32m    colorize_warn      [red]←[0m
←[32m←[0m
←[32m←[0m
cpan> o conf colorize_debug undef
←[32m    colorize_debug     [undef]←[0m
←[32mPlease use 'o conf commit' to make the config permanent!←[0m

←[32m←[0m
cpan> o conf colorize_print undef
Term::ANSIColor rejects color[undef]: Invalid attribute name undef at C:\Perl64\lib/CPAN/Shell.pm line 1453


Please choose a different color (Hint: try 'o conf init /color/')
    colorize_print     [undef]←[0m
Term::ANSIColor rejects color[undef]: Invalid attribute name undef at C:\Perl64\lib/CPAN/Shell.pm line 1453


Please choose a different color (Hint: try 'o conf init /color/')
Please use 'o conf commit' to make the config permanent!←[0m

Term::ANSIColor rejects color[undef]: Invalid attribute name undef at C:\Perl64\lib/CPAN/Shell.pm line 1453


Please choose a different color (Hint: try 'o conf init /color/')
←[0m