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ecl - Embeddable Common Lisp


ecl [-dir dir] [-load file] [-eval expr]
[-compile file
[-o ofile] [-c [cfile]] [-h [hfile]] [-data [datafile]] [-s] [-q]]


ECL stands for Embeddable Common Lisp. The ECL project is an effort to modernize Giuseppe
Attardi's ECL environment to produce an implementation of the Common Lisp language which
complies to the ANSI X3J13 definition of the language.

The current ECL implementation features:

· A bytecodes compiler and interpreter.

· A translator to C.

· An interface to foreign functions.

· A dynamic loader.

· The possibility to build standalone executables.

· The Common Lisp Object System (CLOS).

· Conditions and restarts for handling errors.

· Sockets as ordinary streams.

· The Gnu Multiprecision library for fast bignum operations.

· A simple conservative mark & sweep garbage collector.

· The Boehm-Weiser garbage collector.

ecl without any argument gives you the interactive lisp.


-shell file
Executes the given file and exits, without providing a read-eval-print loop. If
you want to use lisp as a scripting language, you can write
#!${exec_prefix}/bin/ecl -shell on the first line of the file to be executed,
and then ECL will be automatically invoked.

-norc Do not try to load the file ~/.eclrc at startup.

-dir Use dir as system directory.

-load file
Loads file before entering the read-eval-print loop.

-eval expr
Evaluates expr before entering the read-eval-print loop.

-compile file
Translates file to C and invokes the local C compiler to produce a shared
library with .fas as extension per default.

-o ofile When compiling file name the resulting shared library ofile.

-c cfile When compiling name the intermediary C file cfile and do not delete it

-h hfile When compiling name the intermediary C header hfile and do not delete it

-data [datafile]
Dumps compiler data into datafile or, if not supplied, into a file named after
the source file, but with .data as extension.

-s Produce a linkable object file. It cannot be loaded with load, but it can be
used to build libraries or standalone executable programs.

-q Produce less notes when compiling.

The options -load, -shell, and -eval may appear any number of times, and they are combined
and processed from left to right.


The original version was developed by Giuseppe Attardi starting from the Kyoto Common Lisp
implementation by Taiichi Yuasa and Masami Hagiya. The current maintainer of ECL is Juan
Jose Garcia Ripoll, who can be reached at the ECL mailing list.

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