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| Path : /usr/bin/ |
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| Current File : //usr/bin/nroff |
#!/bin/sh
# Emulate nroff with groff.
prog="$0"
# Default device.
# First try the "locale charmap" command, because it's most reliable.
# On systems where it doesn't exist, look at the environment variables.
case "`locale charmap 2>/dev/null`" in
UTF-8)
T=-Tutf8 ;;
ISO-8859-1)
T=-Tlatin1 ;;
IBM-1047)
T=-Tcp1047 ;;
EUC-JP)
T=-Tnippon ;;
*)
case "${LC_ALL-${LC_CTYPE-${LANG}}}" in
*.UTF-8)
T=-Tutf8 ;;
iso_8859_1 | *.ISO-8859-1)
T=-Tlatin1 ;;
*.IBM-1047)
T=-Tcp1047 ;;
ja_JP.ujis | ja_JP.eucJP)
T=-Tnippon ;;
*)
case "$LESSCHARSET" in
utf-8)
T=-Tutf8 ;;
latin1)
T=-Tlatin1 ;;
cp1047)
T=-Tcp1047 ;;
japanese)
T=-Tnippon ;;
*)
T=-Tascii8 ;;
esac ;;
esac ;;
esac
opts=
# `for i; do' doesn't work with some versions of sh
for i
do
case $1 in
-c)
opts="$opts -P-c" ;;
-h)
opts="$opts -P-h" ;;
-[eq] | -s*)
# ignore these options
;;
-[mrnoT])
echo "$prog: option $1 requires an argument" >&2
exit 1 ;;
-[iptSUC] | -[mrno]*)
opts="$opts $1" ;;
-Tascii | -Tlatin1 | -Tutf8 | -Tcp1047 | -Tascii8 | -Tnippon)
T=$1 ;;
-T*)
# ignore other devices
;;
-u*)
# Solaris 2.2 `man' uses -u0; ignore it,
# since `less' and `more' can use the emboldening info.
;;
-v | --version)
echo "GNU nroff (groff) version 1.18.1"
exit 0 ;;
--help)
echo "usage: nroff [-cChipt] [-mNAME] [-nNUM] [-oLIST] [-rCN] [-Tname] [FILE...]"
exit 0 ;;
--)
shift
break ;;
-)
break ;;
-*)
echo "$prog: invalid option $1" >&2
exit 1 ;;
*)
break ;;
esac
shift
done
# special hacks to display Japanese, Chinese, ...man pages correctly in UTF-8 locale:
guess_legacy_encoding () {
# Guess the legacy encoding used by the language/country
# found in the current LC_CTYPE value.
# First determine the LC_CTYPE locale category setting
ctype=${LC_ALL-${LC_CTYPE-${LANG-en_US}}}
case $ctype in
zh_TW*)
LEGACY_ENCODING=Big5
;;
zh_HK*)
LEGACY_ENCODING=Big5HKSCS
;;
zh*)
LEGACY_ENCODING=GB18030
;;
ja*)
LEGACY_ENCODING=EUC-JP
;;
ko*)
LEGACY_ENCODING=EUC-KR
;;
ru*)
LEGACY_ENCODING=KOI8-R
;;
uk*)
LEGACY_ENCODING=KOI8-U
;;
pl*|hr*|hu*|cs*|sk*|sl*)
LEGACY_ENCODING=ISO-8859-2
;;
eo*|mt*)
LEGACY_ENCODING=ISO-8859-3
;;
el*)
LEGACY_ENCODING=ISO-8859-7
;;
he*)
LEGACY_ENCODING=ISO-8859-8
;;
tr*)
LEGACY_ENCODING=ISO-8859-9
;;
th*)
LEGACY_ENCODING=TIS-620 # or ISO-8859-11
;;
lt*)
LEGACY_ENCODING=ISO-8859-13
;;
cy*)
LEGACY_ENCODING=ISO-8859-14
;;
ro*)
LEGACY_ENCODING=ISO-8859-14 # or ISO-8859-16
;;
am*|vi*)
LEGACY_ENCODING=UTF-8
;;
*)
LEGACY_ENCODING=ISO-8859-1
;;
esac
}
guess_legacy_encoding;
TMPDIR=`mktemp -d /tmp/nroff.XXXXXX`
if [ $? -ne 0 ]; then
echo "$0: Can't create temp directory, exiting..."
exit 1
fi
trap "exec rm -rf $TMPDIR" EXIT SIGHUP SIGINT SIGPIPE SIGTERM SIGIO
# parse groff options to find out whether a file was given as argument or whether the
# input is read from stdin:
OLDARGS=""
TEMP=$(getopt --options "abcCd:eEf:F:gGhiI:lL:m:M:n:No:pP:r:RsStT:UvVw:W:XzZ" --longoptions help,version -- ${1+"$@"})
eval set -- "$TEMP"
while true ; do
case "$1" in
--)
if [ -n "$2" ] ; then
INPUTFILE="$2"
shift 2
else
INPUTFILE=""
shift 1
fi
break
;;
*)
OLDARGS="$OLDARGS $1"
echo $1
shift 1
;;
esac
done
eval set -- "$OLDARGS"
if [ -n "$INPUTFILE" ] ; then
# input comes from a file
cat "$INPUTFILE" > $TMPDIR/input
else
# input comes from stdin
cat > $TMPDIR/input
fi
#iconv -s -c -f utf-8 -t utf-8 < $TMPDIR/input > /dev/null
#if [ $? -eq 0 ]; then
# iconv -s -c -f utf-8 -t $LEGACY_ENCODING < $TMPDIR/input > $TMPDIR/input.new
# mv $TMPDIR/input.new $TMPDIR/input
#fi
getlang () {
if [ -n "$LANGUAGE" ]; then
echo $LANGUAGE
elif [ -n "$LC_ALL" ]; then
echo $LC_ALL
elif [ -n "$LC_MESSAGES" ]; then
echo $LC_MESSAGES
else
echo $LANG
fi
}
ICONV="cat"
case "`locale charmap 2>/dev/null`" in
UTF-8)
case `getlang` in
ja*)
# Japanese man page in UTF-8 locale, special case!
# force the device 'nippon' to run groff in ja_JP.eucJP locale
# and convert the result to UTF-8 using iconv:
T=-Tnippon
export LC_ALL=ja_JP.eucJP
ICONV="iconv -f EUC-JP -t UTF-8"
;;
zh_TW*)
T=-Tnippon
export LC_ALL=zh_TW.Big5
ICONV="iconv -f Big5 -t UTF-8"
;;
zh_HK*)
T=-Tnippon
export LC_ALL=zh_HK.Big5HKSCS
ICONV="iconv -f Big5HKSCS -t UTF-8"
;;
zh*)
T=-Tnippon
export LC_ALL=zh_CN.GB18030
ICONV="iconv -f GB18030 -t UTF-8"
;;
ko*)
T=-Tlatin1
export LC_ALL=ko_KR.EUC-KR
# See https://bugzilla.novell.com/show_bug.cgi?id=470921
# for the reason why the "-c" is needed and
# why a conversion from ISO-8859-1 instead of EUC-KR to
# UTF-8 may be needed if an English man-page is displayed:
ICONV="iconv -c -f EUC-KR -t UTF-8"
iconv -s -f ASCII -t UTF-8 < $TMPDIR/input > /dev/null
if [ $? -eq 0 ]; then
ICONV="iconv -f ISO-8859-1 -t UTF-8"
fi
;;
# make 'man iso-8859-15' display correctly in UTF-8 locales using Euro
ca_ES*|de_AT*|de_BE*|de_DE*|de_LU*|en_BE*|en_IE*|es_ES*|eu_ES*|fi_FI*|fr_BE*|fr_FR*|fr_LU*|ga_IE*|gl_ES*|it_IT*|nl_BE*|nl_NL*|pt_PT*|sv_FI*|wa_BE*)
T=-Tlatin1
export LC_ALL=de_DE@euro
ICONV="iconv -f ISO-8859-15 -t UTF-8"
;;
esac
;;
esac
# This shell script is intended for use with man, so warnings are
# probably not wanted. Also load nroff-style character definitions.
: ${GROFF_BIN_PATH=/usr/bin}
export GROFF_BIN_PATH
PATH=$GROFF_BIN_PATH:$PATH groff -mtty-char $T $opts ${1+"$@"} < $TMPDIR/input | $ICONV
# eof
ACC SHELL 2018