1OMEGA(1) General Commands Manual OMEGA(1)
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6 omega, iniomega, viromega - extended unicode TeX
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9 omega [options] [& format ] [ file | \ commands ]
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12 Run the Omega typesetter on file, usually creating file.dvi. If the
13 file argument has no extension, ".tex" will be appended to it. Instead
14 of a filename, a set of Omega commands can be given, the first of which
15 must start with a backslash. With a &format argument Omega uses a dif‐
16 ferent set of precompiled commands, contained in format.fmt; it is usu‐
17 ally better to use the -fmt format option instead.
18 Omega is a version of the TeX program modified for multilingual type‐
20 setting. It uses unicode, and has additional primitives for (among
21 other things) bidirectional typesetting.
22 The iniomega and viromega commands are Omega's analogues to the initex
24 and virtex commands. In this installation, they are symlinks to the
25 omega executable.
26 Omega's command line options are similar to those of TeX.
28 Omega is experimental software.
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32 This version of Omega understands the following command line options.
33 --oft format
35 Use format as the name of the format to be used, instead of the
36 name by which Omega was called or a %& line.
37 -halt-on-error
39 Exit with an error code when an error is encountered during pro‐
40 cessing.
41 --help Print help message and exit.
43 --ini Be iniomega, for dumping formats; this is implicitly true if the
45 program is called as iniomega.
46 --interaction mode
48 Sets the interaction mode. The mode can be one of batchmode,
49 nonstopmode, scrollmode, and errorstopmode. The meaning of
50 these modes is the same as that of the corresponding \commands.
51 --ipc Send DVI output to a socket as well as the usual output file.
53 Whether this option is available is the choice of the installer.
54 --ipc-start
56 As --ipc, and starts the server at the other end as well.
57 Whether this option is available is the choice of the installer.
58 --kpathsea-debug bitmask
60 Sets path searching debugging flags according to the bitmask.
61 See the Kpathsea manual for details.
62 --maketex fmt
64 Enable mktexfmt, where fmt must be one of tex or tfm.
65 --no-maketex fmt
67 Disable mktexfmt, where fmt must be one of tex or tfm.
68 --output-comment string
70 Use string for the DVI file comment instead of the date.
71 -output-directory directory
73 directory instead of the current directory. Look up input files
74 in directory first, the along the normal search path.
75 --parse-first-line
77 If the first line of the main input file begins with %& parse it
78 to look for a dump name.
79 --progname name
81 Pretend to be program name. This affects both the format used
82 and the search paths.
83 --recorder
85 Enable the filename recorder. This leaves a trace of the files
86 opened for input and output in a file with extension .ofl.
87 (This option is always on.)
88 --shell-escape
90 Enable the \write18{command} construct. The command can be any
91 Bourne shell command. This construct is normally disallowed for
92 security reasons.
93 --version
95 Print version information and exit.
96
98 See the Kpathsearch library documentation (the `Path specifications'
99 node) for precise details of how the environment variables are used.
100 The kpsewhich utility can be used to query the values of the variables.
101 One caveat: In most Omega formats, you cannot use ~ in a filename you
103 give directly to Omega, because ~ is an active character, and hence is
104 expanded, not taken as part of the filename. Other programs, such as
105 Metafont, do not have this problem.
106 TEXMFOUTPUT
108 Normally, Omega puts its output files in the current directory.
109 If any output file cannot be opened there, it tries to open it
110 in the directory specified in the environment variable TEXMFOUT‐
111 PUT. There is no default value for that variable. For example,
112 if you say tex paper and the current directory is not writable,
113 if TEXMFOUTPUT has the value /tmp, Omega attempts to create
114 /tmp/paper.log (and /tmp/paper.dvi, if any output is produced.)
115 TEXINPUTS
117 Search path for \input and \openin files. This should probably
118 start with ``.'', so that user files are found before system
119 files. An empty path component will be replaced with the paths
120 defined in the texmf.cnf file. For example, set TEXINPUTS to
121 ".:/home/usr/tex:" to prepend the current direcory and
122 ``/home/user/tex'' to the standard search path.
123 TEXEDIT
125 Command template for switching to editor. The default, usually
126 vi, is set when Omega is compiled.
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129 The location of the files mentioned below varies from system to system.
130 Use the kpsewhich utility to find their locations.
131 omega.pool
133 Encoded text of Omega's messages.
134 *.oft Predigested Omega format (.oft) files.
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138 This manual page is not meant to be exhaustive. The complete documen‐
139 tation for this version of Omega can be found in the info manual Web2C:
140 A TeX implementation.
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143 This version of Omega implements a number of optional extensions. In
144 fact, many of these extensions conflict to a greater or lesser extent
145 with the definition of Omega. When such extensions are enabled, the
146 banner printed when Omega starts is changed to print Omegak instead of
147 Omega.
148 This version of Omega fails to trap arithmetic overflow when dimensions
150 are added or subtracted. Cases where this occurs are rare, but when it
151 does the generated DVI file will be invalid.
152 The DVI files produced by Omega may use extensions which make them
154 incompatible with most software designed to handle DVI files. In order
155 to print or preview them, you should use odvips to generate a Post‐
156 Script file.
157 Omega is experimental software, and if you are an active user it is
159 strongly recommended that you subscribe to the Omega mailing list.
160 Visit the Omega website http://omega.cse.unsw.edu.au for information on
161 how to subscribe.
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164 tex(1), mf(1), odvips[1m(1),
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167 The primary authors of Omega are John Plaice and Yannis Haralambous.
168Web2C 7.5.4 27 December 1997 OMEGA(1)