I'd go for the second option every time. Helps me not primarily with readability, but with think-ability (always at a premium, I find) and debugging. 
do_stuff_hide_the_details();
do_other_unrelated_stuff();


sub do_stuff_hide_the_details {
    do_specific_thing(@these_params);
    do_specific_thing(@those_params);
}

sub do_specific_thing {
    #fiddle about with details
}

[download]
iyswim! ;)

cheers,
andy.

In reply to Re: Subroutining for readability... by andye
in thread Subroutining for readability... by scottstef

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