lout - Online in the Cloud

PROGRAM:

NAME

lout - prepare Lout document for printing

SYNOPSIS

lout [ options ] file...

DESCRIPTION

Invoke the Basser Lout interpreter on the concatenation of the named files, producing a
PostScript file on standard output suitable for printing on PostScript printers using
lpr(1). If no files are named, stdin is used instead. The special file name `-' may be
used to denote standard input. White space between flags and their associated option
values is optional.

An optional .lt suffix may be used for Lout source and include files. When invoking files
ending in this suffix the suffix may be omitted.

OPTIONS

Output
-o filename
Direct output to filename instead of to stdout.

-e filename
Direct error messages to filename instead of to stderr.

-a Use "filename:linenum:colnum:message" alternative error message format (useful with
Emacs compilation mode and other tools).

Output format
-EPS Produce output in the form of an EPS (Encapsulated PostScript) file, suitable for
inclusion in another document. Useful with stand-alone illustrations.

-p Produce plain text output instead of PostScript.

-P Like -p, but with a form-feed character between pages.

-Z Produce Adobe Portable Document Format (PDF) output. This includes links, but the
more advanced graphics packages of Lout are not supported.

-PDF Synonym for -Z.

-t Ignore texture-changing options; everything that would otherwise have been printed
using a texture will be printed in solid colour.

Cross-reference database
-s Suppress all reading and writing of the cross reference database; other databases
are not affected. Useful when many simple documents that don't do any cross
referencing are stored in one directory.

-l Use ASCII order when sorting index entries etc.; the default depends on the COLLATE
compilation option (use -V option to find out your default value).

-L Use your locale's order when sorting index entries etc.; the default depends on the
COLLATE compilation option (use -V option to find out your default value).

Execution of filters
-S Safe execution: disable all calls to system(3), instead echoing the commands that
would have been executed. Although this makes the Lout run certainly safe, the
PostScript output file may not be.

-U Unsafe execution: allow calls to system(3). This is usually the default behavior,
but it is possible to make safe execution the default during installation (use -V
option to find out whether this was done or not), hence the need for this flag.

Changing document setup options
--option{value}
Set setup file option to value, overriding any value assigned to option in the
setup file. For example, --@PageType{Letter} will set the @PageType setup file
option to Letter. The value may be a sequence of words but not an arbitrary Lout
object. If there are spaces you must ensure that it is passed to Lout as a single
option; the usual way to do this is to enclose it in quotes.

Searching for files
-i filename
Search the directories of the include file path (see below) for filename or
filename.lt and include it. There may be multiple -i options.

-I dirname
Add dirname to the list of directories searched for @Include files and -i option
files. There may be multiple -I options. @Include first searches the current
directory, then searches the -I directories in the order given, and finally
searches the default include file directory (see below). @SysInclude and the -i
option omit the search of the current directory.

-C dirname
Add dirname to the list of directories searched for Lout character mapping (.LCM)
files. There may be multiple -C options; the directories are searched in the order
given, and finally the default character mappings directory is searched (see
below).

-F dirname
Add dirname to the list of directories searched for font metrics (formerly .AFM)
files. There may be multiple -F options; the directories are searched in the order
given, and finally the default font metrics directory is searched (see below).

-H dirname
Add dirname to the list of directories searched for hyphenation patterns files,
both unpacked (.lh) and packed (.lp). There may be multiple -H options; the
directories are searched in the order given, and finally the default hyphenation
directory is searched (see below).

-D dirname
Add dirname to the list of directories searched for Lout database files. There may
be multiple -D options. @Database searches the current directory, then the -D
directories in the order given, and finally searches the default databases
directory (see below). @SysDatabase omits the search of the current directory.

Miscellaneous options
-r num Run Lout num times, producing output only on the last run. Useful for bringing
cross references up to date quickly.

-x Initializing run, not for ordinary use: read and check all font files mentioned in
font definitions, read and check all hyphenation files mentioned in language
definitions and build compressed versions, read and check all database files
mentioned in database clauses and build index files.

-u Print usage information on stderr and exit.

-V Print version information on stderr and exit.

-M Use less memory and run more slowly (the cross reference database index will be
kept in a file rather than in memory).

-w Show the total number of non-empty words printed in the output file. This includes
words and numbers in page headers and footers; section numbers and other numbers;
every punctuation character in a font different from its adjacent word; and every
little fragment of every equation; so it will always somewhat overestimate the true
number.

FILES AND ENVIRONMENT VARIABLE

Default include file directory: LOUTLIB/include
Default databases directory: LOUTLIB/data
Default font metrics directory: LOUTLIB/font
Default hyphenation directory: LOUTLIB/hyph
Default character mappings dir.: LOUTLIB/maps
Default locales directory: LOUTLIB/locale

The default library directory, usually /usr/local/lib/lout, can be changed by setting
environment variable LOUTLIB to an alternative directory name.

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