Re: PATCH: allocating a new file descriptor

[Peter Stephenson <pws@xxxxxxx>]

The error message from a bad file descriptor is the system error
message, so it can change.  We can work it out by using a file
descriptor which is almost certainly invalid.

Index: Test/A04redirect.ztst
===================================================================
RCS file: /cvsroot/zsh/zsh/Test/A04redirect.ztst,v
retrieving revision 1.6
diff -u -r1.6 A04redirect.ztst
--- Test/A04redirect.ztst	12 Apr 2005 15:11:12 -0000	1.6
+++ Test/A04redirect.ztst	12 Apr 2005 17:33:43 -0000
@@ -3,6 +3,10 @@
 %prep
   mkdir redir.tmp && cd redir.tmp
 
+  myfd=99
+  (echo >&$myfd) 2>msg
+  bad_fd_msg="${$(<msg)##*:}"
+
 %test
 
   print 'This is file redir' >redir  &&  cat redir
@@ -247,7 +251,7 @@
   exec {myfd}>&-
   print This message should disappear >&$myfd
 1q:Closing file descriptor using brace syntax
-?(eval):2: $myfd: bad file descriptor
+?(eval):2: $myfd:$bad_fd_msg
 
   typeset -r myfd
   echo This should not appear {myfd}>nologfile

-- 
Peter Stephenson <pws@xxxxxxx>                  Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK                          Tel: +44 (0)1223 692070


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