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SPELL(1)                NetBSD General Commands Manual                SPELL(1)


NAME

     spell -- find spelling errors


SYNOPSIS

     spell [-biltvx] [-d list] [-h spellhist] [-m a | e | l | m | s] [-s stop]
           [+extra_list] [file ...]


DESCRIPTION

     spell collects words from the named documents and looks them up in a
     spelling list.  Words that neither occur among nor are derivable (by
     applying certain inflections, prefixes 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.
     spell ignores most troff(1), tbl(1), eqn(1), and pic(1) constructions.
     Copies of all output may be accumulated in the history file, if one is
     specified.

     By default, spell (like deroff(1)) follows chains of included files
     (``.so'' and ``.nx'' commands)).

     The default spelling list is based on Webster's Second International dic-
     tionary and should be fairly complete.  Words that appear in the ``stop
     list'' are immediately flagged as misspellings, regardless of whether or
     not they exist in one of the word lists.  This helps filter out mis-
     spellings (e.g. thier=thy-y+ier) that would otherwise pass.  Addition-
     ally, the british file is also used as a stop list unless the -b option
     is specified.

     Site administrators may add words to the local word list,
     /usr/local/share/dict/words or the local stop list,
     /usr/local/share/dict/stop.

     All word (and stop) lists must be sorted in lexicographical order with
     case folded.  The simplest way to achieve this is to use ``sort -df''.
     If the word files are incorrectly sorted, spell will not be able to oper-
     ate correctly.

     The options are as follows:

     -b      Check British spelling.  Besides preferring centre, colour,
             speciality, travelled, etc., this option insists upon -ise in
             words like standardise, Fowler and the OED to the contrary not-
             withstanding.  In this mode, American variants of words are added
             to the stop list.

     -d word_list
             Use the specified word list instead of the default system word
             list.  The word list must be sorted as specified above.

     -h spellhist
             Store misspelled words in the specified history file.  The output
             of who -m is appended to the history file after the list of mis-
             spelled words.

     -i      Instruct deroff(1) to ignore ``.so'' and ``.nx'' commands.

     -l      Use delatex instead of deroff(1) if it is present on the system.

     -m      Enable support for common troff(1) macro packages; this option is
             passed verbatim to deroff(1).  Refer to the --m description in
             deroff(1) for details.

     -s stop_list
             Use the specified stop list instead of the default system stop
             list.  The stop list must be sorted as specified above.

     -t      Use detex instead of deroff(1) if it is present on the system.

     -v      Print all words not literally in the spelling list in addition to
             plausible derivations from spelling list words.

     -x      Print every plausible stem, prefixed with `='.

     +extra_list
             Use extra_list in addition to the default word list.  The extra
             word list must be sorted as specified above.


FILES

     /usr/share/dict/words          Default spelling list
     /usr/share/dict/american       American spelling of certain words
     /usr/share/dict/british        British spelling of certain words
     /usr/share/dict/stop           Default stop list.
     /usr/local/share/dict/words    Local spelling list (optional)
     /usr/local/share/dict/stop     Local stop list (optional)
     /usr/libexec/spellprog         Binary executed by the shell script
                                    /usr/bin/spell.


SEE ALSO

     deroff(1), look(1), sed(1), sort(1), tee(1), troff(1)


HISTORY

     The spell command appeared in Version 6 AT&T UNIX.

     Unlike historic versions, the NetBSD spell command does not use hashed
     word files.  Instead, it uses lexicographically sorted files and the same
     technique as look(1).


BUGS

     The spelling list lacks many technical terms; new installations will
     probably wish to monitor the output for several months to gather local
     additions.

     British spelling was done by an American.

     In -x mode it would be nicer if the stems were grouped with the appropri-
     ate word.

NetBSD 8.3                      April 18, 1994                      NetBSD 8.3