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EShell bug?


From: Emilio Lopes
Subject: EShell bug?
Date: 22 Jun 2003 19:08:00 +0200
User-agent: Emacs Gnus

[ I've already tried to poste this twice, but it doesn't
  seem it ever left the local news server. So my apologies
  if you see this posting twice. ]

GNU Emacs 21.3.1 (i386-msvc-nt4.0.1381) of 2003-03-28 on buffy

I've got EShell to directly execute Perl scripts on a Windows system
by using

   (add-to-list 'eshell-interpreter-alist '("\\.pl\\'" . eshell-invoke-perl)))

where the function `eshell-invoke-perl' simply calls the perl
interpreter with the script as argument:

   (defsubst eshell-invoke-perl (&rest args)
       "*Invoke Perl to run a Perl-Script."
       (throw 'eshell-replace-command
              (eshell-parse-command (eshell-search-path "perl") (cons "-S" 
args))))

It does work:

   e:/ecl $ hello.pl
   Hello World!

Nevertheless `which' can't identify "hello.pl" as a command:

   e:/ecl $ which hello
   which: no hello in (...)
   e:/ecl $ which hello.pl
   which: no hello.pl in (...)

Further, I would like to be able to type only "hello" to get my script
executed. This "trick" already works out of the box for DOS batch
files.

So I do

   (add-to-list 'eshell-binary-suffixes ".pl")

And since my Perl scripts don't have executable permissions I also set

   (setq eshell-force-execution t)

Indeed `which' seems to identify the script as executable now:

   e:/ecl $ which hello
   e:/batch/hello.pl
   e:/ecl $ which hello.pl
   e:/batch/hello.pl

But when I try to execute it I get:

   e:/ecl $ hello
   e:/batch/hello.pl: not an executable file

This looks like a bug to me. Am I missing something here?

 Emilio

-- 
Emilio C. Lopes <mailto:eclig(usenet-20030622)@gmx.net>
München <48°8'N, 11°34'E>





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