Wildcards in pathnames?

[Dasn-6]

Hi, I'm using CLISP 2.43 on OpenBSD and encounter a problem seems to be
clisp specific.

$ touch '??.txt'
$ clisp -q
[1]> (probe-file #P"??.txt")

*** - wildcards are not allowed here: #P"??.txt"
The following restarts are available:
ABORT          :R1      ABORT
Break 1 [2]>:q

[3]> (probe-file #P"\?\?.txt")

*** - wildcards are not allowed here: #P"??.txt"
The following restarts are available:
ABORT          :R1      ABORT
Break 1 [4]> :q
[5]> (probe-file #P"\\?\\?.txt")

*** - wildcards are not allowed here: #P"\\?\\?.txt"
The following restarts are available:
ABORT          :R1      ABORT
Break 1 [6]> :q
[7]>

My question is how to access the '??.txt' file in CLISP?
Thanks!

--
Dasn


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[Pascal J. Bourguignon]

Dasn writes:
> My question is how to access the '??.txt' file in CLISP?
> Thanks!


C/USER[72]> (with-open-stream (out (ext:run-shell-command "cat > '/tmp/??.txt'" :input :stream))
              (format out "Data coming from clisp.~%"))
NIL
C/USER[73]> (with-open-stream (inp (ext:run-shell-command "cat '/tmp/??.txt'" :output :stream))
              (read-line inp nil nil))
"Data coming from clisp." ;
NIL
C/USER[74]> (with-open-stream (out (ext:run-shell-command "cat > '/tmp/??.txt'" :input :stream))
              (format out "New data coming from clisp.~%"))
NIL
C/USER[75]> (with-open-stream (inp (ext:run-shell-command "cat '/tmp/??.txt'" :output :stream))
              (read-line inp nil nil))
"New data coming from clisp." ;
NIL
C/USER[76]>

--
__Pascal Bourguignon__                     http://www.informatimago.com/

CAUTION: The mass of this product contains the energy equivalent of
85 million tons of TNT per net ounce of weight.

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[Dasn-6]

On 14/06/08 18:49 +0200, Pascal J. Bourguignon wrote:

> Dasn writes:
> > My question is how to access the '??.txt' file in CLISP?
> > Thanks!
>
>
> C/USER[72]> (with-open-stream (out (ext:run-shell-command "cat > '/tmp/??.txt'" :input :stream))
>               (format out "Data coming from clisp.~%"))
> NIL
> C/USER[73]> (with-open-stream (inp (ext:run-shell-command "cat '/tmp/??.txt'" :output :stream))
>               (read-line inp nil nil))
> "Data coming from clisp." ;
> NIL
> C/USER[74]> (with-open-stream (out (ext:run-shell-command "cat > '/tmp/??.txt'" :input :stream))
>               (format out "New data coming from clisp.~%"))
> NIL
> C/USER[75]> (with-open-stream (inp (ext:run-shell-command "cat '/tmp/??.txt'" :output :stream))
>               (read-line inp nil nil))
> "New data coming from clisp." ;
> NIL
> C/USER[76]>
>

Thank you. I think you mean use shell instead of lisp. :)

In Implementation Notes of Wildcard module:
>   \
>          Removes the special meaning of the character that follows it.
>          This works even in character classes.
>

Should the pathnames be supported like that?

--
Dasn


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[Pascal J. Bourguignon]

Dasn writes:

> On 14/06/08 18:49 +0200, Pascal J. Bourguignon wrote:
> > Dasn writes:
> > > My question is how to access the '??.txt' file in CLISP?
> > > Thanks!
> >
> >
> > C/USER[72]> (with-open-stream (out (ext:run-shell-command "cat > '/tmp/??.txt'" :input :stream))
> >               (format out "Data coming from clisp.~%"))
> > NIL
> > C/USER[73]> (with-open-stream (inp (ext:run-shell-command "cat '/tmp/??.txt'" :output :stream))
> >               (read-line inp nil nil))
> > "Data coming from clisp." ;
> > NIL
> > C/USER[74]> (with-open-stream (out (ext:run-shell-command "cat > '/tmp/??.txt'" :input :stream))
> >               (format out "New data coming from clisp.~%"))
> > NIL
> > C/USER[75]> (with-open-stream (inp (ext:run-shell-command "cat '/tmp/??.txt'" :output :stream))
> >               (read-line inp nil nil))
> > "New data coming from clisp." ;
> > NIL
> > C/USER[76]>
> >
>
> Thank you. I think you mean use shell instead of lisp. :)
>
> In Implementation Notes of Wildcard module:
> >   \
> >          Removes the special meaning of the character that follows it.
> >          This works even in character classes.

This concerns only the functions from the wildcard module.

> Should the pathnames be supported like that?

It's up to the implementors to decide.  
In anycase, AfAIK it's allowed by the standard.
(That is, it's purely implementation dependant).

--
__Pascal Bourguignon__                     http://www.informatimago.com/
You're always typing.
Well, let's see you ignore my
sitting on your hands.

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