ptx: Produce a permuted index of file contents

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 when FILE is -, read standard input. Default is '-F /'.