Embeddable Common-Lisp

ecl

Embeddable Common Lisp is an implementation of the Common-Lisp language.

Runs as ecl|macOS, Linux, Windows|ecl.common-lisp.dev

Open form in Otty otty.toml

Command form

ai-draft · 2 tasks · 7 fields

Run a Lisp script, load files or evaluate before the REPL, or compile a file to a native program. Linking, encodings and stack/heap sizing are not covered.

Opens the form; the finished command lands at your prompt, unrun

Run in Otty

otty gui ecl

Run Lisp or compileExample values, fixed in this page — nothing here reaches a terminal

Basic

Run script and exit*

file

Advanced

Skip configuration files

--norc

TasksEach one presets the form for one job

Run a script

shellnorc

Compile a file

compileoutputquiet

ParametersOnly these flags are editable in the form

Run script and exit

path

--shell

Load file first

path

--load

Evaluate expression

The manual calls the value a file; ECL evaluates it before the REPL starts.
string

--eval

Skip configuration files

boolean

--norc

Compile file to native program

path

--compile

Compile output file

path

-o

Quiet compile

boolean

-q

SourcesEvery flag above is checked against these

manpage

-?, --help -v, --version, --norc --load file --shell file --eval file -o file -q --compile file Evaluate the file before loading the .rc file and starting --shell file Executes the given file and exits, without providing a --compile file Translates file to C and invokes the local C compiler to produce a -o file Provide the out…

manual2026-10-27

manpages.debian.org

Before it fills your prompt, Otty checks the installed ecl against its version. A form that does not match your version is not offered.