From 5a5b95a040303f1ce38091f39e31769db1c62e1f Mon Sep 17 00:00:00 2001 From: Martin Gasbichler Date: Thu, 20 Feb 2003 22:46:41 +0000 Subject: [PATCH] Minor addtions and corrections. --- scsh/dir-streams/README | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/scsh/dir-streams/README b/scsh/dir-streams/README index 085dd22..fef8bd2 100644 --- a/scsh/dir-streams/README +++ b/scsh/dir-streams/README @@ -1,10 +1,13 @@ +The structure dir-streams defines procedures to represent and process +directories as streams of files and sub-directories. -Constructor: +(dir-stream-from-dir-name dir-name [chase?] [parent]) -> dir-stream -(dir-stream-from-dirname dir-name [chase?] [parent]) -> dir-stream +Constructor for dir-streams. (dir-stream? thing) -> boolean + Type predicate for dir-streams. @@ -12,10 +15,12 @@ Type predicate for dir-streams. Returns the fs-object corresponding to the directory. + (fs-object? thing) -> boolean Type predicate for file-objects. + (fs-object-parent fs-object) -> string The parent directory of the fs-object. @@ -62,7 +67,7 @@ the files and subdirectories for which the predicates return #t. files-make-stream files-stream-empty subdirs-make-stream subdirs-empty) -> return type of make-dir-stream -Replaces the constuctors of the dir-stream by the supplied procedures. +Replaces the constructors of the dir-stream by the supplied procedures. Example: (define (disc-usage ds) (dir-stream-fold-right ds (lambda (fso sum subdirs) (list (fs-object-filename fso)