(eshell-ls-files): List one per line in a pipeline, unless at the end

of the pipeline.  (Bug#699).

lisp/ChangeLog

+2008-08-15  Glenn Morris  <rgm@gnu.org>
+
+	* eshell/esh-cmd.el (eshell-do-pipelines): Indicate the last command in
+	a pipeline.
+	* eshell/em-ls.el (eshell-ls-files): List one per line in a pipeline,
+	unless at the end of the pipeline.  (Bug#699).
+
 2008-08-14  Chong Yidong  <cyd@stupidchicken.com>
 
 	* minibuffer.el (completion-boundaries): Doc fix.

lisp/eshell/em-ls.el

@@ -635,7 +635,14 @@ In Eshell's implementation of ls, ENTRIES is always reversed."
   "Output a list of FILES.
 Each member of FILES is either a string or a cons cell of the form
 \(FILE .  ATTRS)."
-  (if (memq listing-style '(long-listing single-column))
+  ;; Mimic behavior of coreutils ls, which lists a single file per
+  ;; line when output is not a tty.  Exceptions: if -x was supplied,
+  ;; or if we are the _last_ command in a pipeline.
+  ;; FIXME Not really the same since not testing output destination.
+  (if (or (and eshell-in-pipeline-p
+	       (not (eq eshell-in-pipeline-p 'last))
+	       (not (eq listing-style 'by-lines)))
+	  (memq listing-style '(long-listing single-column)))
       (eshell-for file files
 	(if file
 	    (eshell-ls-file file size-width copy-fileinfo)))