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LOUT(1)                                                   LOUT(1)



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) out­
              put.  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 ref­
              erence 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  compila­
              tion 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  cer­
              tainly 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 installa­
              tion  (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).   @Sys­
              Include  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 charac­
              ter 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
       -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 ref­
              erence 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.

SEE ALSO
       prg2lout(1), lpr(1), ghostview(1)

MAILING LIST
       A public mailing list for discussion of Lout  exists.   To
       subscribe,  mail  lout-request@ptc.spbu.ru  with  the word
       subscribe in the Subject line.  To post an item,  mail  it
       to lout@ptc.spbu.ru.

REFERENCES
       Jeffrey  H. Kingston, "A User's Guide to the Lout Document
       Formatting System", and "An Expert's  Guide  to  the  Lout
       Document Formatting System".

AUTHOR
       Jeffrey H. Kingston



                                                          LOUT(1)