True on nix-ish OS, untrue on winders: 
C:\>perldoc date::manip
NAME
    Date::Manip - date manipulation routines

SYNOPSIS
     use Date::Manip;
     ....

[download]

Nonetheless, your point re a correct and generic form is well taken. TY.

In reply to Re^5: Yesterday Date by ww
in thread Yesterday Date by Anonymous Monk

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