* net/tramp.el (tramp-find-inline-compress)

(tramp-get-inline-coding): Quote command after pipe symbol for
local calls under W32.  (Bug#6784)

lisp/ChangeLog

+2011-01-10  Michael Albinus  <michael.albinus@gmx.de>
+
+	* net/tramp.el (tramp-find-inline-compress)
+	(tramp-get-inline-coding): Quote command after pipe symbol for
+	local calls under W32.  (Bug#6784)
+
 2011-01-10  Michael Albinus  <michael.albinus@gmx.de>
 
 	* net/tramp.el (tramp-default-method): Initialize with pscp/plink

lisp/net/tramp.el

@@ -7362,9 +7362,17 @@ Goes through the list `tramp-inline-compress-commands'."
 	   vec 5
 	   "Checking local compress command `%s', `%s' for sanity"
 	   compress decompress)
-	  (unless (zerop (tramp-call-local-coding-command
-			  (format "echo %s | %s | %s"
-				  magic compress decompress) nil nil))
+	  (unless
+	      (zerop
+	       (tramp-call-local-coding-command
+		(format
+		 ;; Windows shells need the program file name after
+		 ;; the pipe symbol be quoted if they use forward
+		 ;; slashes as directory separators.
+		 (if (memq system-type '(windows-nt))
+		     "echo %s | \"%s\" | \"%s\""
+		   "echo %s | %s | %s")
+		 magic compress decompress) nil nil))
 	    (throw 'next nil))
 	  (tramp-message
 	   vec 5
@@ -8645,9 +8653,25 @@ function cell is returned to be applied on a buffer."
 	 ((symbolp coding)
 	  coding)
 	 ((and compress (string-match "decoding" prop))
-	  (format "(%s | %s >%%s)" coding compress))
+	  (format
+	   ;; Windows shells need the program file name after
+	   ;; the pipe symbol be quoted if they use forward
+	   ;; slashes as directory separators.
+	   (if (and (string-match "local" prop)
+		    (memq system-type '(windows-nt)))
+	       "(%s | \"%s\" >%%s)"
+	     "(%s | %s >%%s)")
+	   coding compress))
 	 (compress
-	  (format "(%s <%%s | %s)" compress coding))
+	  (format
+	   ;; Windows shells need the program file name after
+	   ;; the pipe symbol be quoted if they use forward
+	   ;; slashes as directory separators.
+	   (if (and (string-match "local" prop)
+		    (memq system-type '(windows-nt)))
+	       "(%s <%%s | \"%s\")"
+	     "(%s <%%s | %s)")
+	   compress coding))
 	 ((string-match "decoding" prop)
 	  (format "%s >%%s" coding))
 	 (t