- wc pads the result with blanks, trim its output
 - use "seq 3" rather than assuming /proc is available
 - fix nonsensical crypt invocation, use examples from manpage

Index: test-suite/tests/posix.test
--- test-suite/tests/posix.test.orig
+++ test-suite/tests/posix.test
@@ -411,7 +411,7 @@
       (display "Hello world.\n" (cdr a+b))
       (close-port (cdr a+b))
 
-      (let ((str (get-string-all (car c+d))))
+      (let ((str (string-trim (get-string-all (car c+d)))))
         (close-port (car c+d))
         (waitpid pid)
         str)))
@@ -428,18 +428,16 @@
         (waitpid pid)
         str)))
 
-  (pass-if-equal "ls /proc/self/fd"
-      "0\n1\n2\n3\n"                     ;fourth FD is for /proc/self/fd
-    (if (file-exists? "/proc/self/fd")   ;Linux
-        (let* ((input+output (pipe))
-               (pid (spawn "ls" '("ls" "/proc/self/fd")
-                           #:output (cdr input+output))))
-          (close-port (cdr input+output))
-          (let ((str (get-string-all (car input+output))))
-            (close-port (car input+output))
-            (waitpid pid)
-            str))
-        (throw 'unresolved)))
+  (pass-if-equal "seq 3"
+      "1\n2\n3\n"
+    (let* ((input+output (pipe))
+           (pid (spawn "seq" '("seq" "3")
+                       #:output (cdr input+output))))
+      (close-port (cdr input+output))
+      (let ((str (get-string-all (car input+output))))
+        (close-port (car input+output))
+        (waitpid pid)
+        str)))
 
   (pass-if-equal "file not found"
       ENOENT
@@ -459,7 +457,8 @@
   (pass-if "basic usage"
     (if (not (defined? 'crypt))
         (throw 'unsupported)
-        (string? (crypt "pass" "abcdefg"))))
+        (string? (crypt "OrpheanBeholderScryDoubt"
+                        "$2b$12$FPWWO2RJ3CK4FINTw0Hi8OiPKJcX653gzSS.jqltHFMxyDmmQ0Hqq"))))
 
   (pass-if "crypt invalid salt on glibc"
     (begin