/contrib/groff/src/roff/nroff/nroff.sh

  1#! /bin/sh
  2# Emulate nroff with groff.
  3# $FreeBSD$
  4
  5prog="$0"
  6# Default device.
  7# First try the "locale charmap" command, because it's most reliable.
  8# On systems where it doesn't exist, look at the environment variables.
  9case "`exec 2>/dev/null ; locale charmap`" in
 10  UTF-8)
 11    T=-Tutf8 ;;
 12  ISO*8859-1 | ISO*8859-15)
 13    T=-Tlatin1 ;;
 14  KOI8-R)
 15    T=-Tkoi8-r ;;
 16  IBM-1047)
 17    T=-Tcp1047 ;;
 18  *)
 19    case "${LC_ALL-${LC_CTYPE-${LANG}}}" in
 20      *.UTF-8)
 21        T=-Tutf8 ;;
 22      iso_8859_1 | *.ISO-8859-1 | *.ISO8859-1 | \
 23      iso_8859_15 | *.ISO-8859-15 | *.ISO8859-15)
 24        T=-Tlatin1 ;;
 25      *.KOI8-R)
 26        T=-Tkoi8-r ;;
 27      *.IBM-1047)
 28        T=-Tcp1047 ;;
 29      *)
 30        case "$LESSCHARSET" in
 31          utf-8)
 32            T=-Tutf8 ;;
 33          latin1)
 34            T=-Tlatin1 ;;
 35          koi8-r)
 36            T=-Tkoi8-r ;;
 37          cp1047)
 38            T=-Tcp1047 ;;
 39          *)
 40            T=-Tascii ;;
 41          esac ;;
 42     esac ;;
 43esac
 44opts=
 45
 46# `for i; do' doesn't work with some versions of sh
 47
 48for i
 49  do
 50  case $1 in
 51    -c)
 52      opts="$opts -P-c" ;;
 53    -h)
 54      opts="$opts -P-h" ;;
 55    -[eq] | -s*)
 56      # ignore these options
 57      ;;
 58    -[dMmrnoT])
 59      echo "$prog: option $1 requires an argument" >&2
 60      exit 1 ;;
 61    -[iptSUC] | -[dMmrno]*)
 62      opts="$opts $1" ;;
 63    -Tascii | -Tlatin1 | -Tkoi8-r | -Tutf8 | -Tcp1047)
 64      T=$1 ;;
 65    -T*)
 66      # ignore other devices
 67      ;;
 68    -u*)
 69      # Solaris 2.2 through at least Solaris 9 `man' invokes
 70      # `nroff -u0 ... | col -x'.  Ignore the -u0,
 71      # since `less' and `more' can use the emboldening info.
 72      # However, disable SGR, since Solaris `col' mishandles it.
 73      opts="$opts -P-c" ;;
 74    -v | --version)
 75      echo "GNU nroff (groff) version @VERSION@"
 76      exit 0 ;;
 77    --help)
 78      echo "usage: nroff [-CchipStUv] [-dCS] [-MDIR] [-mNAME] [-nNUM] [-oLIST]"
 79      echo "             [-rCN] [-Tname] [FILE...]"
 80      exit 0 ;;
 81    --)
 82      shift
 83      break ;;
 84    -)
 85      break ;;
 86    -*)
 87      echo "$prog: invalid option $1" >&2
 88      exit 1 ;;
 89    *)
 90      break ;;
 91  esac
 92  shift
 93done
 94
 95# Set up the `GROFF_BIN_PATH' variable
 96# to be exported in the current `GROFF_RUNTIME' environment.
 97
 98@GROFF_BIN_PATH_SETUP@
 99export GROFF_BIN_PATH
100
101# This shell script is intended for use with man, so warnings are
102# probably not wanted.  Also load nroff-style character definitions.
103
104PATH="$GROFF_RUNTIME$PATH" groff -mtty-char $T $opts ${1+"$@"}
105
106# eof