RosettaCodeData/Task/Rot-13/AppleScript/rot-13-2.applescript

14 lines
415 B
AppleScript

to rot13(textString)
local outChars
set outChars to {}
repeat with ch in (characters of textString)
if (ch >= "a" and ch <= "m") or (ch >= "A" and ch <= "M") then
set ch to character id (id of ch + 13)
else if (ch >= "n" and ch <= "z") or (ch >= "N" and ch <= "Z") then
set ch to character id (id of ch - 13)
end
set end of outChars to ch
end
return outChars as text
end rot13