NAME

       ptx - produce a permuted index of file contents

SYNOPSIS

       ptx [OPTION]... [INPUT]...   (without -G)
       ptx -G [OPTION]... [INPUT [OUTPUT]]

DESCRIPTION

       Output a permuted index, including context, of the words in the input files.

       Mandatory arguments to long options are mandatory for short options too.

       -A, --auto-reference
              output automatically generated references

       -G, --traditional
              behave more like System V 'ptx'

       -F, --flag-truncation=STRING
              use STRING for flagging line truncations

       -M, --macro-name=STRING
              macro name to use instead of 'xx'

       -O, --format=roff
              generate output as roff directives

       -R, --right-side-refs
              put references at right, not counted in -w

       -S, --sentence-regexp=REGEXP
              for end of lines or end of sentences

       -T, --format=tex
              generate output as TeX directives

       -W, --word-regexp=REGEXP
              use REGEXP to match each keyword

       -b, --break-file=FILE
              word break characters in this FILE

       -f, --ignore-case
              fold lower case to upper case for sorting

       -g, --gap-size=NUMBER
              gap size in columns between output fields

       -i, --ignore-file=FILE
              read ignore word list from FILE

       -o, --only-file=FILE
              read only word list from this FILE

       -r, --references
              first field of each line is a reference

       -t, --typeset-mode               - not implemented -

       -w, --width=NUMBER
              output width in columns, reference excluded

       --help display this help and exit

       --version
              output version information and exit

       With no FILE or if FILE is -, read Standard Input.  '-F /' by default.

AUTHOR

       Written by F. Pinard.

REPORTING BUGS

       Report ptx bugs to bug-coreutils@gnu.org
       GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
       General help using GNU software: <http://www.gnu.org/gethelp/>
       Report ptx translation bugs to <http://translationproject.org/team/>

COPYRIGHT

       Copyright  ©  2013  Free  Software  Foundation, Inc.  License GPLv3+: GNU GPL version 3 or
       later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO  WARRANTY,
       to the extent permitted by law.

SEE ALSO

       The  full  documentation  for  ptx is maintained as a Texinfo manual.  If the info and ptx
       programs are properly installed at your site, the command

              info coreutils 'ptx invocation'

       should give you access to the complete manual.