in reply to Automated downloads from a date based URL

It seems the parent directory http://www.treasurydirect.gov/xml/ lists all the files it contains. Just extract the correct file names from there. 
($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,

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