/usr/bin/nroff is in groff-base 1.22.3-10.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | #! /bin/sh
# Emulate nroff with groff.
#
# Copyright (C) 1992-2014 Free Software Foundation, Inc.
#
# Written by James Clark, maintained by Werner Lemberg.
# This file is of `groff'.
# `groff' is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License (GPL) as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# `groff' is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
unset IFS
prog="$0"
# Default device.
# Check the GROFF_TYPESETTER environment variable.
Tenv=$GROFF_TYPESETTER
# Try the `locale charmap' command first because it is most reliable.
# On systems where it doesn't exist, look at the environment variables.
case "`exec 2>/dev/null ; locale charmap`" in
UTF-8)
Tloc=utf8 ;;
ISO-8859-1 | ISO-8859-15)
Tloc=latin1 ;;
IBM-1047)
Tloc=cp1047 ;;
*)
case "${LC_ALL-${LC_CTYPE-${LANG}}}" in
*.UTF-8)
Tloc=utf8 ;;
iso_8859_1 | *.ISO-8859-1 | *.ISO8859-1 | \
iso_8859_15 | *.ISO-8859-15 | *.ISO8859-15)
Tloc=latin1 ;;
*.IBM-1047)
Tloc=cp1047 ;;
*)
case "$LESSCHARSET" in
utf-8)
Tloc=utf8 ;;
latin1)
Tloc=latin1 ;;
cp1047)
Tloc=cp1047 ;;
*)
Tloc=ascii ;;
esac ;;
esac ;;
esac
# `for i; do' doesn't work with some versions of sh
Topt=
opts=
for i
do
case $1 in
-c)
opts="$opts -P-c" ;;
-h)
opts="$opts -P-h" ;;
-[eq] | -s*)
# ignore these options
;;
-[dMmrnoTwW])
echo "$prog: option $1 requires an argument" >&2
exit 1 ;;
-[iptSUC] | -[dMmrnowW]*)
opts="$opts $1" ;;
-T*)
Topt=$1 ;;
-u*)
# Solaris 2.2 through at least Solaris 9 `man' invokes
# `nroff -u0 ... | col -x'. Ignore the -u0,
# since `less' and `more' can use the emboldening info.
# However, disable SGR, since Solaris `col' mishandles it.
opts="$opts -P-c" ;;
-v | --version)
echo "GNU nroff (groff) version 1.22.3"
exit 0 ;;
--help)
echo "usage: nroff [-CchipStUv] [-dCS] [-MDIR] [-mNAME] [-nNUM] [-oLIST]"
echo " [-rCN] [-Tname] [-WNAME] [-wNAME] [FILE...]"
exit 0 ;;
--)
shift
break ;;
-)
break ;;
-*)
echo "$prog: invalid option $1" >&2
exit 1 ;;
*)
break ;;
esac
shift
done
if test "x$Topt" != x ; then
T=$Topt
else
if test "x$Tenv" != x ; then
T=-T$Tenv
fi
fi
case $T in
-Tascii | -Tlatin1 | -Tutf8 | -Tcp1047)
;;
*)
# ignore other devices and use locale fallback
T=-T$Tloc ;;
esac
# Set up the `GROFF_BIN_PATH' variable
# to be exported in the current `GROFF_RUNTIME' environment.
GROFF_RUNTIME="${GROFF_BIN_PATH=/usr/bin}:"
export GROFF_BIN_PATH
# Load nroff-style character definitions too.
PATH="$GROFF_RUNTIME$PATH" groff -mtty-char $T $opts ${1+"$@"}
# eof
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