Add ly:prob-[im]mutable-properties Scheme bindings.

[lilypond.git] / scm / lily-library.scm

diff --git a/scm/lily-library.scm b/scm/lily-library.scm
index 068bbb2873688b478fd0cd31ca75a0200ab5bc1b..f772d0527e931efa53cdf0917fcf359012e911bb 100644 (file)
--- a/scm/lily-library.scm
+++ b/scm/lily-library.scm
@@ -117,9 +117,13 @@
   (let*
       ((paper (ly:parser-lookup parser '$defaultpaper))
        (layout (ly:parser-lookup parser '$defaultlayout))
-
        (count (ly:parser-lookup parser 'output-count))
-       (base (ly:parser-output-name parser)))
+       (base (ly:parser-output-name parser))
+       (output-suffix (ly:parser-lookup parser 'output-suffix)) )
+
+    (if (string? output-suffix)
+       (set! base (format "~a-~a" base (string-regexp-substitute
+                                          "[^a-zA-Z0-9-]" "_" output-suffix))))
 
     ;; must be careful: output-count is under user control.
     (if (not (integer? count))
@@ -127,7 +131,6 @@
 
     (if (> count 0)
        (set! base (format #f "~a-~a" base count)))
-
     (ly:parser-define! parser 'output-count (1+ count))
     (process-procedure book paper layout base)
     ))
@@ -306,13 +309,13 @@ found."
   (lset-difference eq? a b))
 
 (define-public (uniq-list lst)
-  "Uniq LST, assuming that it is sorted"
+  "Uniq LST, assuming that it is sorted. Uses equal? for comparisons."
 
   (reverse! 
    (fold (lambda (x acc)
           (if (null? acc)
               (list x)
-              (if (eq? x (car acc))
+              (if (equal? x (car acc))
                   acc
                   (cons x acc))))
         '() lst) '()))
@@ -488,6 +491,11 @@ found."
   (string-append (ly:number->string (car c)) " "
                 (ly:number->string (cdr c))))
 
+(define-public (dir-basename file . rest)
+  "Strip suffixes in REST, but leave directory component for FILE."
+  (define (inverse-basename x y) (basename y x))
+  (simple-format #f "~a/~a" (dirname file)
+                (fold inverse-basename file rest)))
 
 (define-public (write-me message x)
   "Return X.  Display MESSAGE and write X.  Handy for debugging,