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PTX(1) User Commands PTX(1)


ptx - produce a permuted index of file contents


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


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

With no FILE, or when FILE is -, read standard input.

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

output automatically generated references
behave more like System V 'ptx'
use STRING for flagging line truncations. The default is '/'
macro name to use instead of 'xx'
generate output as roff directives
put references at right, not counted in -w
for end of lines or end of sentences
generate output as TeX directives
use REGEXP to match each keyword
word break characters in this FILE
fold lower case to upper case for sorting
gap size in columns between output fields
read ignore word list from FILE
read only word list from this FILE
first field of each line is a reference

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

output width in columns, reference excluded
display this help and exit
output version information and exit


Written by F. Pinard.


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Copyright © 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.


Full documentation <>
or available locally via: info '(coreutils) ptx invocation'

October 2021 GNU coreutils 8.32