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948 discussions

Re: Emacs ciao-Prolog buffer in Windows
by Manuel Carro 21 Jun '02

21 Jun '02

Alan Baljeu writes: >> ?- ensure_loaded('C:\\ciao-1.8p2Win32\\tmp\\test.pl'). >> >> yes >> ?- write('e\tf'). >> e f >> yes >> ?- >> >> Surely it's prolog which interprets the single \ as an escape >> sequence? But 2 \\ works okay. What I get in Linux from your second query is ?- write('e\tf'). e f yes because '\t' is passed to Ciao Prolog verbatim and interpreted as a tabular by Ciao Prolog; see also: ?- set_prolog_flag(write_strings, off). yes ?- atom_codes('e\tf', X). X = [101,9,102] ? yes where \t translates to the ninth ascii code (sorry about this low level parlance). However I guess that this is not what is happening in your case, i.e., Ciao Prolog is not receiving a backslash _and_ a 't', but some precooked code. Again, if this is so, it is the Emacs mode which should be change to behave properly under XEmacs. MCL __________________________________________ ¡Ay, qué miedo saber tanto! (Lola Flores). ============================================================================== Message: Address: Action: help majordomo(a)clip.dia.fi.upm.es Info. on useful commands subscribe ciao-users-request(a)clip.dia.fi.upm.es Subscribe to this list unsubscribe ciao-users-request(a)clip.dia.fi.upm.es Unsubscribe from this list <whatever> ciao-users(a)clip.dia.fi.upm.es Send message to list ----------------------------------------------------------------------------- Archived messages: http://www.clip.dia.fi.upm.es/Mail/ciao-users/ -----------------------------------------------------------------------------

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Re: Emacs ciao-Prolog buffer in Windows
by Alan Baljeu 21 Jun '02

21 Jun '02

I guess I wasn't clear. My problem is not with ensure_loaded, as I can type what you wrote, but with the emacs system which generates the wrong form of the path name, as far as Ciao is concerned. ----- Original Message ----- From: "Guy Murphy" <guy.murphy(a)easynet.co.uk> To: "Alan Baljeu" <alanb(a)cornerstonemold.com> Sent: Friday, June 21, 2002 9:18 AM Subject: Re: Emacs ciao-Prolog buffer in Windows > Have you tried... > > ensure_loaded('C:/ciao-1.8p2Win32/tmp/test.pl'). > > ...for the most part Windows doesn't care if you use forward or backslashes, > and forward slashes don't have to be escaped, and are compatible with more > systems. > > If that's not the issue, then it may well be that the path the file is > visible under Cygwin is different that under the native OS. > > Cheers, > Guy. > > ----- Original Message ----- > From: "Alan Baljeu" <alanb(a)cornerstonemold.com> > To: <ciao-users(a)clip.dia.fi.upm.es> > Sent: Friday, June 21, 2002 11:54 AM > Subject: Emacs ciao-Prolog buffer in Windows > > > > > > The system seems mostly to work, except for loading info from buffers into > > the shell. The problem is those \\, put in by the ^c-l command. Any > hints > > on how to make this work with forward slashes to make Ciao happy? > > > > ?- ensure_loaded('C:\ciao-1.8p2Win32\tmp\test.pl'). > > {ERROR: absolute_file_name/7, arg 1 - file C:iao-1.8p2Win32 mp est.pl not > > found} > > > > I'm using Xemacs 21.4. > > > > Alan Baljeu ============================================================================== Message: Address: Action: help majordomo(a)clip.dia.fi.upm.es Info. on useful commands subscribe ciao-users-request(a)clip.dia.fi.upm.es Subscribe to this list unsubscribe ciao-users-request(a)clip.dia.fi.upm.es Unsubscribe from this list <whatever> ciao-users(a)clip.dia.fi.upm.es Send message to list ----------------------------------------------------------------------------- Archived messages: http://www.clip.dia.fi.upm.es/Mail/ciao-users/ -----------------------------------------------------------------------------

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Re: Native Compile Question
by Manuel Carro 21 Jun '02

21 Jun '02

Brent Fulgham writes: >> I was curious if the Ciao Prolog team had ever considered building >> a native-mode compiler similar to the GNU Prolog compiler? This >> would seem to have some advantages in terms of executable size and >> speed. >> >> Was this ruled out for any technical reasons? Yes, of course it has all the advantages you mention. It is not that it has been "ruled out"; rather, it is "not yet implemented". Historically, we started with an implementation based on a bytecode interpreter, and we have been using it so far. But a compiler based on translation to C is on the works, although it is not finished yet (it is not even in alpha state). As Daniel Diaz, the main GNU Prolog's implementor, can say, a native compiler is a non-trivial task, and maintaining different back-ends for different architectures (say, i386, SPARC, MIPS, Power PC...) easily becomes a lot of work. That is one of the reasons why we chose to translate to C. MCL ___________________________________________ ¡Hay, qué miedo saber tanto! (Lola Flores). ============================================================================== Message: Address: Action: help majordomo(a)clip.dia.fi.upm.es Info. on useful commands subscribe ciao-users-request(a)clip.dia.fi.upm.es Subscribe to this list unsubscribe ciao-users-request(a)clip.dia.fi.upm.es Unsubscribe from this list <whatever> ciao-users(a)clip.dia.fi.upm.es Send message to list ----------------------------------------------------------------------------- Archived messages: http://www.clip.dia.fi.upm.es/Mail/ciao-users/ -----------------------------------------------------------------------------

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Emacs ciao-Prolog buffer in Windows
by Alan Baljeu 21 Jun '02

21 Jun '02

The system seems mostly to work, except for loading info from buffers into the shell. The problem is those \\, put in by the ^c-l command. Any hints on how to make this work with forward slashes to make Ciao happy? ?- ensure_loaded('C:\ciao-1.8p2Win32\tmp\test.pl'). {ERROR: absolute_file_name/7, arg 1 - file C:iao-1.8p2Win32 mp est.pl not found} I'm using Xemacs 21.4. Alan Baljeu ============================================================================== Message: Address: Action: help majordomo(a)clip.dia.fi.upm.es Info. on useful commands subscribe ciao-users-request(a)clip.dia.fi.upm.es Subscribe to this list unsubscribe ciao-users-request(a)clip.dia.fi.upm.es Unsubscribe from this list <whatever> ciao-users(a)clip.dia.fi.upm.es Send message to list ----------------------------------------------------------------------------- Archived messages: http://www.clip.dia.fi.upm.es/Mail/ciao-users/ -----------------------------------------------------------------------------

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Problem in compilation : error segmentation violation
by David Strainchamps 20 Jun '02

20 Jun '02

I'm on macos 10.1.3 with ciao1.8p2 When I compile a programm with ciaoc with no options, it run But when I compile cioc -S it don't run Why ? ============================================================================== Message: Address: Action: help majordomo(a)clip.dia.fi.upm.es Info. on useful commands subscribe ciao-users-request(a)clip.dia.fi.upm.es Subscribe to this list unsubscribe ciao-users-request(a)clip.dia.fi.upm.es Unsubscribe from this list <whatever> ciao-users(a)clip.dia.fi.upm.es Send message to list ----------------------------------------------------------------------------- Archived messages: http://www.clip.dia.fi.upm.es/Mail/ciao-users/ -----------------------------------------------------------------------------

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getting started cgi on Windows
by chaiwat 11 Jun '02

11 Jun '02

Hello anybody. How I can ,in Pillow/CIAO Library , getting started cgi on Windows? Thank you for your help Chaiwat Tiraweerakhajohn ============================================================================== Message: Address: Action: help majordomo(a)clip.dia.fi.upm.es Info. on useful commands subscribe ciao-users-request(a)clip.dia.fi.upm.es Subscribe to this list unsubscribe ciao-users-request(a)clip.dia.fi.upm.es Unsubscribe from this list <whatever> ciao-users(a)clip.dia.fi.upm.es Send message to list ----------------------------------------------------------------------------- Archived messages: http://www.clip.dia.fi.upm.es/Mail/ciao-users/ -----------------------------------------------------------------------------

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Read a string and put it in a list
by José Antonio Echagüe Burgos 10 Jun '02

10 Jun '02

Hello all. How I can, in CIAO Prolog, read a string of characters and put it in a list? For example: my name is jose and obtain [my,name,is,jose] I need make this for "speak" to the program in natural language, and after build a database consult, for example: give me the books that treat of libraries and archives and users Now, in my program, I must ask with the following format: [give,me,the,books,that,treat,of,libraries,and,archives,and,users] After, with a pattern, I get the tail of the list, [libraries,and,archives,and,users], and delete the non-significative words ("and" in this case). Therefore, my problem is convert the string of characters in a list of elements. Thank you for your help, a greeting. José Antonio Echagüe Burgos _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com ============================================================================== Message: Address: Action: help majordomo(a)clip.dia.fi.upm.es Info. on useful commands subscribe ciao-users-request(a)clip.dia.fi.upm.es Subscribe to this list unsubscribe ciao-users-request(a)clip.dia.fi.upm.es Unsubscribe from this list <whatever> ciao-users(a)clip.dia.fi.upm.es Send message to list ----------------------------------------------------------------------------- Archived messages: http://www.clip.dia.fi.upm.es/Mail/ciao-users/ -----------------------------------------------------------------------------

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forms with method=post give me trouble
by Kris Gybels 31 May '02

31 May '02

Hi all, I've been having some trouble using HTML forms with the CGI program written in Ciao. If I use the method 'post' instead of 'get' in the form, the Ciao program outputs the following error: Unknown conten type application/x-www-url-encoded or bad request. (or something like that, I didn't copy/paste it) Note that everything works fine when I use the 'get' method. But I'd prefer to use post because the input to the form might be very long, too long for the get method to handle ... Anyone have any idea what the problem might be? ============================================================================== Message: Address: Action: help majordomo(a)clip.dia.fi.upm.es Info. on useful commands subscribe ciao-users-request(a)clip.dia.fi.upm.es Subscribe to this list unsubscribe ciao-users-request(a)clip.dia.fi.upm.es Unsubscribe from this list <whatever> ciao-users(a)clip.dia.fi.upm.es Send message to list ----------------------------------------------------------------------------- Archived messages: http://www.clip.dia.fi.upm.es/Mail/ciao-users/ -----------------------------------------------------------------------------

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installing ciao
by Thomas De Contes 31 May '02

31 May '02

so, it should be noted that we shouln't let symbolic links in the variables which we modify in "SETTINGS" why "`Mac OS X' users should add (or modify) the `path' file in the directory `~/Library/init/tcsh'" since it doesn't exist ? (~/Library/init/ doesn't exist. should i create ~/Library/init/tcsh/path ?) i have ".tcshrc" doesn't it work if i add the lines into it ? ============================================================================== Message: Address: Action: help majordomo(a)clip.dia.fi.upm.es Info. on useful commands subscribe ciao-users-request(a)clip.dia.fi.upm.es Subscribe to this list unsubscribe ciao-users-request(a)clip.dia.fi.upm.es Unsubscribe from this list <whatever> ciao-users(a)clip.dia.fi.upm.es Send message to list ----------------------------------------------------------------------------- Archived messages: http://www.clip.dia.fi.upm.es/Mail/ciao-users/ -----------------------------------------------------------------------------

2 4

forward-chaining/persistence
by Candide Kemmler 30 May '02

30 May '02

Hi, I'm considering a number of options in trying to architect a distributed system in line with the semantic web's ambitions. I haven't yet given a try to ciao prolog, but I would like to know a number of things before I get into more details. First: I have read that prolog systems are generally backward-chaining systems. I would like to do forward-chaining so I can deal with notification of particular events to the users. Second: The user contributed libraries mention a utility to convert Prolog to SQL... Does that cover triggers ? :-) that would be too easy, wouldn't it ? More seriously, what does it cover ? It just sounds like magic ! Finally: what kind of persistence does ciao prolog allow for ? In regard to XSB for example. I'm concerned about the convenience of writing triggered code to write things down to a database or an EJB,... Is such a thing possible ? Thanks in advance for taking the time to answer my naive questions, Candide Kemmler ============================================================================== Message: Address: Action: help majordomo(a)clip.dia.fi.upm.es Info. on useful commands subscribe ciao-users-request(a)clip.dia.fi.upm.es Subscribe to this list unsubscribe ciao-users-request(a)clip.dia.fi.upm.es Unsubscribe from this list <whatever> ciao-users(a)clip.dia.fi.upm.es Send message to list ----------------------------------------------------------------------------- Archived messages: http://www.clip.dia.fi.upm.es/Mail/ciao-users/ -----------------------------------------------------------------------------

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