JezK
Edit File: uxterm
#!/bin/sh # $XTermId: uxterm,v 1.29 2020/03/07 15:52:31 tom Exp $ # ----------------------------------------------------------------------------- # this file is part of xterm # # Copyright 2001-2007,2020 by Thomas E. Dickey # # All Rights Reserved # # Permission is hereby granted, free of charge, to any person obtaining a # copy of this software and associated documentation files (the # "Software"), to deal in the Software without restriction, including # without limitation the rights to use, copy, modify, merge, publish, # distribute, sublicense, and/or sell copies of the Software, and to # permit persons to whom the Software is furnished to do so, subject to # the following conditions: # # The above copyright notice and this permission notice shall be included # in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. # IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY # CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name(s) of the above copyright # holders shall not be used in advertising or otherwise to promote the # sale, use or other dealings in this Software without prior written # authorization. # ----------------------------------------------------------------------------- # # wrapper script to setup xterm with UTF-8 locale whoami=uxterm : "${XTERM_PROGRAM=xterm}" # Check if there is a workable locale program. If there is not, we will read # something via the standard error. Ignore whatever is written to the # standard output. locale=`sh -c "LC_ALL=C LC_CTYPE=C LANG=C locale >/dev/null" 2>&1` found=no # Check for -version and -help options, to provide a simple return without # requiring the program to create a window: if test $# = 1 then case $1 in -v|-ver*|-h|-he*) $XTERM_PROGRAM "$@" exit $? ;; esac fi # Check environment variables that might be used for encoding: for name in LC_ALL LC_CTYPE LANG do eval 'value=$'$name if test -n "$value" ; then case $value in *.utf8|*.UTF8|*.utf-8|*.UTF-8) found=yes ;; *.utf8@*|*.UTF8@*|*.utf-8@*|*.UTF-8@*) found=yes ;; *) value="" # ignore continue # keep trying ;; esac break fi done # If we didn't find one that used UTF-8, modify the safest one. Not everyone # has a UTF-8 locale installed (and there appears to be no trivial/portable way # to determine whether it is, from a shell script). We could check if the # user's shell does not reset unknown locale specifiers, but not all shells do. if test $found != yes ; then if test -n "$value" ; then value=`echo ${value} |sed -e 's/[.@].*//'`.UTF-8 else expect= for name in LC_ALL LC_CTYPE LANG do eval 'check=$'$name if test -n "$check" then expect=`echo "$check" | sed -e 's/[.@].*$//'` test -n "$expect" && break fi done if test -z "$expect" ; then name="LC_CTYPE" expect="en_US" fi value=`locale -a | awk -v "expect=$expect" 'BEGIN { exact="" maybe="" } /[.](utf|UTF)[-]?8(@.*)?$/ { if (index($0, "C.") == 1) { maybe=$0; } if (index($0, expect ".") == 1) { exact=$0; } } END { if ( exact != "" ) { print exact; } else if ( maybe != "" ) { print maybe; } else { print ""; } } '` test -z "$value" && value="en_US.UTF-8" fi eval save=\$${name} eval ${name}=${value} eval export ${name} if test -z "$locale" ; then # The 'locale' program tries to do a sanity check. check=`sh -c "locale >/dev/null" 2>&1` if test -n "$check" ; then eval ${name}="${save}" eval export ${name} echo "$whoami tried to use locale $value by setting \$$name" >&2 xmessage -file - <<EOF $whoami tried unsuccessfully to use locale $value by setting \$$name to "${value}". EOF exit 1 fi fi fi # for testing: #test -f ./xterm && XTERM_PROGRAM=./xterm exec "$XTERM_PROGRAM" -class UXTerm -title "$whoami" -u8 "$@"