spell(1)						      General Commands Manual							  spell(1)

NAME

       spell, hashmake, spellin, hashcheck - find spelling errors

SYNOPSIS

       local_file] [files]

       n

       spelling_list

DESCRIPTION

       The command collects words from the named files and looks them up in a spelling list.  Words that neither occur among nor are derivable (by
       applying certain inflections, prefixes, and/or suffixes) from words in the spelling list are printed on the standard output.  If  no  files
       are named, words are collected from the standard input.

       The command ignores most and eqn constructions.

   Options
       The command recognizes the following options:

	      All words not literally in the spelling list are printed,
			     and plausible derivations from the words in the spelling list are indicated.

	      British spelling is checked.
			     Besides preferring etc., this option insists upon in certain words, such as in

	      Every plausible stem is printed with
			     for each word.

       By default, follows chains of included files much like (see deroff(1)) which recognizes the intrinsics and the names of such included files
       begin with If the option is used, follows the chains of included files.	With the option, ignores all chains of included files.

       If the option is used, words found in local_file are removed from output.  local_file is the name of  a	user-provided  file  containing  a
       sorted  list  of  words,  one  per  line.  With this option, the user can specify a set of words that are correct spellings (in addition to
       spell's own spelling list) for each job.

       The spelling list is based on many sources, and while more haphazard than an ordinary dictionary, is also more effective  with  respect	to
       proper names and popular technical words.  Coverage of the specialized vocabularies of biology, medicine, and chemistry is light.

       Pertinent  auxiliary  files  can  be  specified	by  name arguments, indicated below with their default settings (see FILES and VARIABLES).
       Copies of all output are accumulated in the history file.  The stop list filters out misspellings (such as that would otherwise pass.

       Three routines help maintain and check the hash lists used by

	      Reads a list of words from the standard input and
			     writes the corresponding nine-digit hash code on the standard output.  This program only accepts words that are up to
			     30  characters  long.  When words exceeding 30 characters are encountered, a diagnostic message is displayed on stan-
			     dard error.

	      Reads	     n hash codes from the standard input and writes a compressed spelling list on the standard output.  Information about
			     the hash coding is printed on standard error.

	      Reads a compressed
			     spelling_list  and recreates the nine-digit hash codes for all the words in it; it writes these codes on the standard
			     output.

EXTERNAL INFLUENCES

   Environment Variables
       Your hashed spelling list (default is

       Spelling history (default is

       Your hashed stop list (default is

       Directory for temporary files; overrides the default

EXAMPLES

       To check spelling of a single word:

       If word is spelled correctly, a prompt is returned.  If it is spelled incorrectly, word is printed before the prompt is returned.  To check
       spelling of multiple words, they can also be typed as a group on the same command line:

       To create a personal spelling list that incorporates the words already present in the default American spelling list file

       To modify the default British spelling list file replace all occurrences of with in the above example.

       To  add	words to the default spelling list, change login to change the current working directory to and execute the commands listed in the
       above example.

WARNINGS

       The spelling list's coverage is uneven.	When undertaking the use of as a new tool, it may be advisable to monitor the output  for  several
       months  to  gather  local  additions.   Typically, these are kept in a separate local file that is added to the hashed spelling_list via as
       shown above.

       The British spelling feature was developed by an American.

       Start-up versions of files and are available in directory If these files or a suitable equivalent are not present in directory complains:

       The command is likely to be withdrawn from X/Open standards. Applications using this command might not be portable to other  vendors'  sys-
       tems.

FILES

       Hashed spelling lists, American and British.
       Hashed stop list.
       History file.
       Executable program file.

SEE ALSO

       deroff(1), sed(1), sort(1), tbl(1), tee(1).

STANDARDS CONFORMANCE

																	  spell(1)