Ciao-users November 2004

ciao-users@cliplab.org

3 participants
2 discussions

[CIAO] Logtalk 2.22.0 released
by Manuel Carro 30 Nov '04

30 Nov '04

Hi! Logtalk 2.22.0 is now available for downloading from the Logtalk web site: http://www.logtalk.org/ This release introduces a notion of library as a directory of source files, adds a dynamic predicate for declaring library names and paths, allows source files to be compiled and loaded using the notation <library>(<entity>), improves installation instructions and scripts, and provides several usability enhancements. From the release notes: * Implemented a notion of library as simply a directory containing source files. Added a new dynamic predicate, logtalk_library_path/2, for specifying library paths. Added sample file for setting library paths for the Logtalk standard library and for all the supplied examples. * Added support for using the notation <library>(<entity>) with the built-in predicates logtalk_compile/1-2 and logtalk_load/1-2 for compiling and loading source files contained on a library, without the need to first change the current working directory. * Changed the library and the examples loading instructions to use the notation <library>(<entity>). * Improved installation instructions and installation scripts. Added a new environment variable, LOGTALKUSER, for defining the location of the copies of the user-modifiable Logtalk files in a multiple users setup environment. * Added utility predicates to most configuration files for querying and changing the current working directory (needed for the <library>(<entity>) notation to work). * Corrected a bug in the code that checks for file existence when compiling or loading source files and source metafiles. The CVS tag for this release is "lgt2220". Happy logtalking! Paulo ----------------------------------------------------------- Paulo Jorge Lopes de Moura Dep. of Informatics Office 4.3 Ext. 3257 University of Beira Interior Phone: +351 275319700 6201-001 Covilhã Fax: +351 275319891 Portugal <mailto:pmoura(a)di.ubi.pt> <http://www.di.ubi.pt/~pmoura> <http://www.logtalk.org> ----------------------------------------------------------- ============================================================================== 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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question about listing
by Lindsay Cowell 08 Nov '04

08 Nov '04

i am brand new to prolog (less than 24hours) so i appologize if this is a competely stupid question. i am trying to work through so tutorials/examples i found online. several times i have come accross the predicate listing. when i try to use this in ciao prolog, i get the error message undefined predicate. in one of the references that i found this in (prolog now), it is referred to as a built-in prolog predicate. i think i need to load some library or module or something but i can't tell from reading the ciao prolog manual what the library is. i am grateful for any comments. thanks. lindsay -- Lindsay Grey Cowell, Ph.D. Assistant Professor Department of Biostatistics and Bioinformatics Center for Bioinformatics and Computational Biology 107 North Bldg, Research Drive Box 90090 Duke University Durham, NC 27708 919 681 6226 (Tel) 919 668 2465 (Fax) lgcowell(a)duke.edu ============================================================================== 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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Ciao-users November 2004