September Morn Update

Task/Increment-a-numerical-string/AppleScript/increment-a-numerical-string.applescript

@@ -0,0 +1,107 @@
+use AppleScript version "2.4"
+use framework "Foundation"
+use scripting additions
+
+-- succString :: Bool -> String -> String
+on succString(blnPruned, s)
+    script go
+        on |λ|(w)
+            try
+                if w contains "." then
+                    set v to w as real
+                else
+                    set v to w as integer
+                end if
+                {(1 + v) as string}
+            on error
+                if blnPruned then
+                    {}
+                else
+                    {w}
+                end if
+            end try
+        end |λ|
+    end script
+    unwords(concatMap(go, |words|(s)))
+end succString
+
+
+-- TEST ---------------------------------------------------
+on run
+    script test
+        on |λ|(bln)
+            succString(bln, ¬
+                "41 pine martens in 1491.3 -1.5 mushrooms ≠ 136")
+        end |λ|
+    end script
+    unlines(map(test, {true, false}))
+end run
+
+--> 42 1492.3 -0.5 137
+--> 42 pine martens in 1492.3 -0.5 mushrooms ≠ 137
+
+-- GENERIC ------------------------------------------------
+
+-- concatMap :: (a -> [b]) -> [a] -> [b]
+on concatMap(f, xs)
+    set lng to length of xs
+    set acc to {}
+    tell mReturn(f)
+        repeat with i from 1 to lng
+            set acc to acc & |λ|(item i of xs, i, xs)
+        end repeat
+    end tell
+    return acc
+end concatMap
+
+-- map :: (a -> b) -> [a] -> [b]
+on map(f, xs)
+    tell mReturn(f)
+        set lng to length of xs
+        set lst to {}
+        repeat with i from 1 to lng
+            set end of lst to |λ|(item i of xs, i, xs)
+        end repeat
+        return lst
+    end tell
+end map
+
+-- Lift 2nd class handler function into 1st class script wrapper
+-- mReturn :: First-class m => (a -> b) -> m (a -> b)
+on mReturn(f)
+    if class of f is script then
+        f
+    else
+        script
+            property |λ| : f
+        end script
+    end if
+end mReturn
+
+-- unlines :: [String] -> String
+on unlines(xs)
+    set {dlm, my text item delimiters} to ¬
+        {my text item delimiters, linefeed}
+    set str to xs as text
+    set my text item delimiters to dlm
+    str
+end unlines
+
+-- unwords :: [String] -> String
+on unwords(xs)
+    set {dlm, my text item delimiters} to ¬
+        {my text item delimiters, space}
+    set s to xs as text
+    set my text item delimiters to dlm
+    return s
+end unwords
+
+-- words :: String -> [String]
+on |words|(s)
+    set ca to current application
+    (((ca's NSString's stringWithString:(s))'s ¬
+        componentsSeparatedByCharactersInSet:(ca's ¬
+            NSCharacterSet's whitespaceAndNewlineCharacterSet()))'s ¬
+        filteredArrayUsingPredicate:(ca's ¬
+            NSPredicate's predicateWithFormat:"0 < length")) as list
+end |words|