Eu não sei como ver arquivos modificados recentemente, mas arquivos abertos recentemente são armazenados em formato hexadecimal em com.apple.recentitems.plist. Este tópico do MacScripter contém um manipulador para obter apenas os caminhos dos arquivos, mas ele parou de funcionar em 10.8.
on datatoposix(x)
set f to (open for access POSIX file ("/tmp/datatoposix.dat") with write permission)
try
repeat with d in x
set eof f to 0
-- Write the data object to the file.
write d's contents to f
-- Reset the file mark to byte 21.
read f from 21 for 0
set POSIXpath to ""
repeat
-- Read the next 8 bytes as a string and get the characters' IDs.
set idList to id of (read f for 8 as string)
-- Finish when IDs 2 to 8 aren't the values for "path item".
if (idList does not end with {0, 0, 0, 1, 1, 0, 0}) then exit repeat
-- Get the byte length of the item's name from the first ID.
set len to beginning of idList
-- Read that number of bytes as UTF-8 and append the result to the POSIX path.
set POSIXpath to POSIXpath & ("/" & (read f for len as «class utf8»))
-- Advance the file mark past any padding.
read f for (4 - len mod 4) mod 4
end repeat
set d's contents to POSIXpath
end repeat
on error msg
display dialog msg
end try
close access f
x
end datatoposix
tell application "System Events"
tell property list file "~/Library/Preferences/com.apple.recentitems.plist"
set l to property list item "RecentDocuments"'s property list item ¬
"CustomListItems"'s property list items's property list item "Bookmark"'s value
end tell
end tell
datatoposix(l)