101 lines
2.5 KiB
Matlab
101 lines
2.5 KiB
Matlab
.TH OCAML 1
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.SH NAME
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ocaml \- The Objective Caml interactive toplevel
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.SH SYNOPSIS
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.B ocaml
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[
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.B \-labels
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]
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[
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.B \-unsafe
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]
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[
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.BI \-I \ lib-dir
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]
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[
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.I script-file
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]
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.SH DESCRIPTION
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The
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.BR ocaml (1)
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command is the toplevel system for Objective Caml,
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that permits interactive use of the Objective Caml system through a
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read-eval-print loop. In this mode, the system repeatedly reads Caml
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phrases from the input, then typechecks, compile and evaluate
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them, then prints the inferred type and result value, if any. The
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system prints a # (sharp) prompt before reading each phrase.
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A toplevel phrase can span several lines. It is terminated by ;; (a
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double-semicolon). The syntax of toplevel phrases is as follows.
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The toplevel system is started by the command
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.BR ocaml (1).
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Phrases are read on standard input, results are printed on standard
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output, errors on standard error. End-of-file on standard input
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terminates
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.BR ocaml (1).
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If a
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.I script-file
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is given, phrases are read silently from the file, errors printed on
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standard error.
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.BR ocaml (1)
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exits after the execution of the last phrase.
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.SH OPTIONS
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The following command-line options are recognized by
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.BR ocaml (1).
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.TP
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.BI \-I \ directory
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Add the given directory to the list of directories searched for
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source and compiled files. By default, the current directory is
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searched first, then the standard library directory. Directories added
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with
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.B \-I
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are searched after the current directory, in the order in which they
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were given on the command line, but before the standard library
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directory.
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.TP
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.B \-labels
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Switch to ``commuting label mode''. Arguments must be
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explicitly labeled by labels appearing in types. Arguments with different
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labels may commute freely.
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.TP
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.B \-unsafe
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Turn bound checking off on array and string accesses (the v.(i)
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and s.[i] constructs). Programs compiled with
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.B \-unsafe
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are therefore slightly faster, but unsafe: anything can happen if the program
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accesses an array or string outside of its bounds.
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.SH ENVIRONMENT VARIABLES
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.TP
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.B LC_CTYPE
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If set to iso_8859_1, accented characters (from the
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ISO Latin-1 character set) in string and character literals are
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printed as is; otherwise, they are printed as decimal escape sequences.
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.TP
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.B TERM
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When printing error messages, the toplevel system
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attempts to underline visually the location of the error. It
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consults the TERM variable to determines the type of output terminal
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and look up its capabilities in the terminal database.
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.SH SEE ALSO
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.BR ocamlc (1).
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.br
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.I The Objective Caml user's manual,
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chapter "The toplevel system".
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