groffer --version (return code: 0)
groffer 2.2.5 is part of groff version 1.22.3.
GNU groff and groffer come with ABSOLUTELY NO WARRANTY.
You may redistribute copies of groff and its subprograms
under the terms of the GNU General Public License.
groffer --help (return code: 0)
groffer 2.2.5 is part of groff version 1.22.3.
GNU groff and groffer come with ABSOLUTELY NO WARRANTY.
You may redistribute copies of groff and its subprograms
under the terms of the GNU General Public License.
Usage: groffer [option]... [filespec]...
Display roff files, standard input, and/or Unix manual pages with an X
Window viewer or in several text modes. All input is decompressed
on-the-fly with all formats that gzip can handle.
"filespec" is one of
"filename" name of a readable file
"-" for standard input
"man:name(n)" man page "name" in section "n"
"man:name.n" man page "name" in section "n"
"man:name" man page "name" in first section found
"name(n)" man page "name" in section "n"
"name.n" man page "name" in section "n"
"n name" man page "name" in section "n"
"name" man page "name" in first section found
where `section' is a single character out of [1-9on], optionally followed
by some more letters that are called the `extension'.
-h --help print this usage message.
-T --device=name pass to groff using output device "name".
-v --version print version information.
-V display the groff execution pipe instead of formatting.
-X display with "gxditview" using groff -X.
-Z --ditroff --intermediate-output
generate groff intermediate output without
post-processing and viewing, like groff -Z.
All other short options are interpreted as "groff" formatting options.
The most important groffer long options are
--apropos=name start man's "apropos" program for "name".
--apropos-data=name
"apropos" for "name" in man's data sections 4, 5, 7.
--apropos-devel=name
"apropos" for "name" in development sections 2, 3, 9.
--apropos-progs=name
"apropos" for "name" in man's program sections 1, 6, 8.
--auto choose mode automatically from the default mode list.
--default reset all options to the default value.
--default-modes=mode1,mode2,...
set sequence of automatically tried modes.
--dvi display in a viewer for TeX device independent format.
--groff process like groff, disable viewing features.
--help display this helping output.
--html display in a web browser.
--man check file parameters first whether they are man pages.
--mode=auto|dvi|groff|html|pdf|ps|source|text|tty|utf8|www|x|X
choose display mode.
--no-man disable man-page facility.
--no-special disable --all, --apropos*, and --whatis
--pager=program preset the paging program for tty mode.
--pdf display in a PDF viewer.
--ps display in a Postscript viewer.
--source output as roff source.
--text output in a text device without a pager.
--to-stdout output the content of the mode file without display.
--tty display with a pager on text terminal even when in X.
--utf8 unicode text mode
--viewer choose a viewer for the actual device mode
--whatis display the file name and description of man pages
--www same as --html.
--x --X display with "gxditview" using an X* device.
The usual X Windows toolkit options transformed into GNU long options:
--background=color, --bd=size, --bg=color, --bordercolor=color,
--borderwidth=size, --bw=size, --display=Xdisplay, --fg=color,
--fn=font, --font=font, --foreground=color, --geometry=geom, --iconic,
--resolution=dpi, --rv, --title=text, --xrm=resource
Long options of GNU "man":
--all, --ascii, --ditroff, --extension=suffix, --locale=language,
--local-file=name, --location, --manpath=dir1:dir2:...,
--sections=s1:s2:..., --systems=s1,s2,..., --where, ...
Development options that are not useful for normal usage:
--debug, --debug-filenames, --debug-grog, --debug-keep, --debug-params,
--debug-tmpdir, --do-nothing, --print=text