You should use the following:

cpan YAML

[download]

or, if you want to follow the hints of the CPAN command, you will need to enter the cpan shell:

$ cpan
cpan>

[download]

There you can enter the i/YAML/ command to get information about YAML modules.

I'm not sure where you picked up cpan YAML-0.71 as a valid command to enter.

In reply to Re^7: WWW::mechanize install by Corion
in thread WWW::mechanize install by Anonymous Monk

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