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aleph(1)                                                              aleph(1)




NAME

       aleph - extended Unicode TeX


SYNOPSIS

       aleph [options] [&format] [file|\commands]


DESCRIPTION

       Run  the  Aleph  typesetter on file, usually creating file.dvi.  If the
       file argument has no extension, ".tex" will be appended to it.  Instead
       of a filename, a set of Aleph commands can be given, the first of which
       must start with a backslash.  With a &format argument Aleph uses a dif-
       ferent set of precompiled commands, contained in format.fmt; it is usu-
       ally better to use the -fmt format option instead.

       Aleph is a version of the TeX program modified for  multilingual  type-
       setting.   It  uses  Unicode,  and has additional primitives for (among
       other things) bidirectional typesetting.

       Aleph's command line options are similar to those of TeX.

       Aleph is no longer being actively developed;  see  LuaTeX  for  current
       activity.


OPTIONS

       Run  aleph  --help  to  see  the  complete list of options; this is not
       exhaustive.

       -cnf-line string
              Parse string as a texmf.cnf configuration line.  See the  Kpath-
              sea manual.

       --fmt format
              Use  format as the name of the format to be used, instead of the
              name by which Aleph was called or a %& line.

       --halt-on-error
              Exit with an error code when an error is encountered during pro-
              cessing.

       --help Print help message and exit.

       --ini  Be  `initial' Aleph for dumping formats; this is implicitly true
              if the program is called as inialeph.

       --interaction mode
              Sets the interaction mode.  The mode can be  one  of  batchmode,
              nonstopmode,  scrollmode,  and  errorstopmode.   The  meaning of
              these modes is the same as that of the corresponding  \commands.

       --ipc  Send  DVI  output  to a socket as well as the usual output file.
              Whether this option is available is the choice of the installer.

       --ipc-start
              As  --ipc,  and  starts  the  server  at  the other end as well.
              Whether this option is available is the choice of the installer.

       --kpathsea-debug bitmask
              Sets  path  searching  debugging flags according to the bitmask.
              See the Kpathsea manual for details.

       --maketex fmt
              Enable mktexfmt, where fmt must be one of tex or tfm.

       --no-maketex fmt
              Disable mktexfmt, where fmt must be one of tex or tfm.

       --output-comment string
              Use string for the DVI file comment instead of the date.

       --output-directory directory
              Write output files in directory instead of  the  current  direc-
              tory.   Look  up  input  files in directory first, the along the
              normal search path.

       --parse-first-line
              If the first line of the main input file begins with %& parse it
              to look for a dump name.

       --progname name
              Pretend  to  be program name.  This affects both the format used
              and the search paths.

       --recorder
              Enable the filename recorder.  This leaves a trace of the  files
              opened  for  input  and  output  in  a file with extension .ofl.
              (This option is always on.)

       --shell-escape
              Enable the \write18{command} construct.  The command can be  any
              Bourne  shell command.  By default, this construct is enabled in
              a restricted mode, for security reasons.

       --version
              Print version information and exit.


ENVIRONMENT

       See the Kpathsearch library documentation  (the  `Path  specifications'
       node)  for  precise  details of how the environment variables are used.
       The kpsewhich utility can be used to query the values of the variables.

       One  caveat:  In most Aleph formats, you cannot use ~ in a filename you
       give directly to Aleph, because ~ is an active character, and hence  is
       expanded,  not  taken as part of the filename.  Other programs, such as
       Metafont, do not have this problem.


       TEXMFOUTPUT
              Normally, Aleph puts its output files in the current  directory.
              If  any  output file cannot be opened there, it tries to open it
              in the directory specified in the environment variable TEXMFOUT-
              PUT.  There is no default value for that variable.  For example,
              if you say tex paper and the current directory is not  writable,
              if  TEXMFOUTPUT  has  the  value  /tmp, Aleph attempts to create
              /tmp/paper.log (and /tmp/paper.dvi, if any output is  produced.)
              TEXMFOUTPUT is also checked for input files, as TeX often gener-
              ates files that need to be subsequently read; for input, no suf-
              fixes (such as ``.tex'') are added by default, the input name is
              simply checked as given.

       TEXINPUTS
              Search path for \input and \openin  files.   This  should  start
              with  ``.'',  so  that user files are found before system files.
              An empty path component will be replaced with the paths  defined
              in   the   texmf.cnf   file.   For  example,  set  TEXINPUTS  to
              ".:/home/user/tex:"  to  prepend  the  current   directory   and
              ``/home/user/tex'' to the standard search path.

       TEXEDIT
              Command  template for switching to editor.  The default, usually
              vi, is set when Aleph is compiled.


NOTES

       This manual page is not meant to be exhaustive.  The complete  documen-
       tation for this version of Aleph can be found in the info manual Web2C:
       A TeX implementation.  See http://tug/org/web2c.


BUGS

       This version of Aleph implements a number of optional  extensions.   In
       fact,  many  of these extensions conflict to a greater or lesser extent
       with the definition of Aleph.  When such extensions  are  enabled,  the
       banner  printed when Aleph starts is changed to print Alephk instead of
       Aleph.

       This version of Aleph fails to trap arithmetic overflow when dimensions
       are added or subtracted.  Cases where this occurs are rare, but when it
       does the generated DVI file will be invalid.


SEE ALSO

       tex(1), mf(1)


AUTHORS

       The primary authors of Aleph are John Plaice and Yannis Haralambous.



Web2C 2020                       6 August 2019                        aleph(1)

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