nroff - Online in the Cloud

PROGRAM:

NAME

nroff - emulate nroff command with groff

SYNOPSIS

nroff [-CchipStUvwW] [-dcs] [-Mdir] [-mname] [-nnum] [-olist] [-rcn] [-Tname] [file ...]
nroff --help
nroff -v | --version

DESCRIPTION

The nroff script emulates the nroff command using groff. Only ascii, latin1, utf8, and
cp1047 are devices accepted by nroff to select the output encoding emitted by grotty,
groff's TTY output device. If neither the GROFF_TYPESETTER environment variable nor the
-T command line option (which overrides the environment variable) specifies a (valid)
device, nroff checks the current locale to select a default output device. It first tries
the locale program, then the environment variables LC_ALL, LC_CTYPE, and LANG, and finally
the LESSCHARSET environment variable.

The -h and -c options are equivalent to grotty's options -h (using tabs in the output) and
-c (using the old output scheme instead of SGR escape sequences). The -d, -C, -i, -M, -m,
-n, -o, -r, -w, and -W options have the effect described in troff(1). In addition, nroff
silently ignores the options -e, -q, and -s (which are not implemented in troff). Options
-p (pic), -t (tbl), -S (safer), and -U (unsafe) are passed to groff. -v and --version
show the version number, --help prints a help message.

ENVIRONMENT

GROFF_TYPESETTER
The default device for groff. If not set (which is the normal case), it defaults
to ‘ps’.

GROFF_BIN_PATH
A colon separated list of directories in which to search for the groff executable
before searching in PATH. If unset, ‘/usr/bin’ is used.

NOTES

This shell script is basically intended for use with man(1). nroff-style character
definitions (in the file tty-char.tmac) are also loaded to emulate unrepresentable glyphs.

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