(system cmd) not working after slib

(system cmd) not working after slib

[Scott Walck]

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Gentle guile users,

I wonder if one of you could help me.  I am thrilled to find that use
of (ice-9 slib) has been improved in guile 1.8.3.  I am confused about
its behavior, though.  The (system) command works fine before I load
slib.  After I load slib, guile no longer understands what "system"
means.

(system "ls")                ; works
(use-modules (ice-9 slib))   ; works
(system "ls")                ; no longer works

I enclose a short transcript below.  Any suggestions would be
appreciated.

Thanks,

Scott Walck



[walck@entangle:~/computer/notes]$ guile --version
Guile 1.8.3
Copyright (c) 1995, 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
2007 Free Software Foundation
Guile may be distributed under the terms of the GNU General Public Licence;
certain other uses are permitted as well.  For details, see the file
`COPYING', which is included in the Guile distribution.
There is no warranty, to the extent permitted by law.
[walck@entangle:~/computer/notes]$ guile
guile> (system "ls")
DataTransfer.txt   guile.txt          networking   PrinterDrivers   success
DataTransfer.txt~  installation.txt   networking~  PrinterDrivers~
Zip250.txt
GarberPrinting     installation.txt~  ppp          printing
Zip250.txt~
GarberPrinting~    lvcweb.txt         ppp~         printing~
0
guile> (use-modules (ice-9 slib))
WARNING: (guile-user): imported module (ice-9 slib) overrides core binding
`gentemp'
guile> *slib-version*
"3a4"
guile> (system "ls")

Backtrace:
In current input:
   4: 0* (system "ls")

<unnamed port>:4:1: In expression (system "ls"):
<unnamed port>:4:1: Unbound variable: system
ABORT: (unbound-variable)
guile>

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Re: (system cmd) not working after slib

[Ludovic Courtès]

Hi,

"Scott Walck" <scott.n.walck@gmail.com> writes:

> (system "ls")                ; works
> (use-modules (ice-9 slib))   ; works
> (system "ls")                ; no longer works

Unfortunately, I can't reproduce that here:

  $ SCHEME_LIBRARY_PATH=/usr/local/lib/slib/ ./pre-inst-guile
  guile> (system "ls")
  [... output of `ls'...]
  0
  guile> (use-modules (ice-9 slib))
  WARNING: (guile-user): imported module (ice-9 slib) overrides core binding `1+'
  WARNING: (guile-user): imported module (ice-9 slib) overrides core binding `*features*'
  WARNING: (guile-user): imported module (ice-9 slib) overrides core binding `1-'
  WARNING: (guile-user): imported module (ice-9 slib) overrides core binding `bit-count'
  WARNING: (guile-user): imported module (ice-9 slib) overrides core binding `identity'
  WARNING: (guile-user): imported module (ice-9 slib) overrides core binding `in-vicinity'
  WARNING: (guile-user): imported module (ice-9 slib) overrides core binding `port?'
  WARNING: (guile-user): imported module (ice-9 slib) overrides core binding `make-array'
  guile> (system "ls")
  [... output of `ls'...]
  0
  guile> 

Can you show the output of `(@@ (guile-user) system)' and `(@@ (ice-9
slib) system)'?

Also, are you sure 1.8.3 is correctly installed and doesn't interfere
with previously installed files from 1.8.2 or earlier?

Thanks,
Ludovic.



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