"Fossies" - the Fresh Open Source Software Archive

Member "xterm-379/uxterm" (7 Mar 2020, 4265 Bytes) of package /linux/misc/xterm-379.tgz:

    1 #!/bin/sh
    2 # $XTermId: uxterm,v 1.29 2020/03/07 15:52:31 tom Exp $
    3 # -----------------------------------------------------------------------------
    4 # this file is part of xterm
    5 #
    6 # Copyright 2001-2007,2020 by Thomas E. Dickey
    7 # 
    8 #                         All Rights Reserved
    9 # 
   10 # Permission is hereby granted, free of charge, to any person obtaining a
   11 # copy of this software and associated documentation files (the
   12 # "Software"), to deal in the Software without restriction, including
   13 # without limitation the rights to use, copy, modify, merge, publish,
   14 # distribute, sublicense, and/or sell copies of the Software, and to
   15 # permit persons to whom the Software is furnished to do so, subject to
   16 # the following conditions:
   17 # 
   18 # The above copyright notice and this permission notice shall be included
   19 # in all copies or substantial portions of the Software.
   20 # 
   21 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   22 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   23 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
   24 # IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
   25 # CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
   26 # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
   27 # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   28 # 
   29 # Except as contained in this notice, the name(s) of the above copyright
   30 # holders shall not be used in advertising or otherwise to promote the
   31 # sale, use or other dealings in this Software without prior written
   32 # authorization.
   33 # -----------------------------------------------------------------------------
   34 #
   35 # wrapper script to setup xterm with UTF-8 locale
   36 
   37 whoami=uxterm
   38 
   39 : "${XTERM_PROGRAM=xterm}"
   40 
   41 # Check if there is a workable locale program.  If there is not, we will read
   42 # something via the standard error.  Ignore whatever is written to the
   43 # standard output.
   44 locale=`sh -c "LC_ALL=C LC_CTYPE=C LANG=C locale >/dev/null" 2>&1`
   45 found=no
   46 
   47 # Check for -version and -help options, to provide a simple return without
   48 # requiring the program to create a window:
   49 if test $# = 1
   50 then
   51     case $1 in
   52     -v|-ver*|-h|-he*)
   53         $XTERM_PROGRAM "$@"
   54         exit $?
   55         ;;
   56     esac
   57 fi
   58 
   59 # Check environment variables that might be used for encoding:
   60 for name in LC_ALL LC_CTYPE LANG
   61 do
   62     eval 'value=$'$name
   63     if test -n "$value" ; then
   64         case $value in
   65         *.utf8|*.UTF8|*.utf-8|*.UTF-8)
   66             found=yes
   67             ;;
   68         *.utf8@*|*.UTF8@*|*.utf-8@*|*.UTF-8@*)
   69             found=yes
   70             ;;
   71         *)
   72             value=""    # ignore
   73             continue    # keep trying
   74             ;;
   75         esac
   76         break
   77     fi
   78 done
   79 
   80 # If we didn't find one that used UTF-8, modify the safest one.  Not everyone
   81 # has a UTF-8 locale installed (and there appears to be no trivial/portable way
   82 # to determine whether it is, from a shell script).  We could check if the
   83 # user's shell does not reset unknown locale specifiers, but not all shells do.
   84 if test $found != yes ; then
   85     if test -n "$value" ; then
   86         value=`echo ${value} |sed -e 's/[.@].*//'`.UTF-8
   87     else
   88         expect=
   89         for name in LC_ALL LC_CTYPE LANG
   90         do
   91             eval 'check=$'$name
   92             if test -n "$check"
   93             then
   94                 expect=`echo "$check" | sed -e 's/[.@].*$//'`
   95                 test -n "$expect" && break
   96             fi
   97         done
   98         if test -z "$expect" ; then
   99             name="LC_CTYPE"
  100             expect="en_US"
  101         fi
  102         value=`locale -a | awk -v "expect=$expect" 'BEGIN {
  103             exact=""
  104             maybe=""
  105         }
  106         /[.](utf|UTF)[-]?8(@.*)?$/ {
  107             if (index($0, "C.") == 1) {
  108                 maybe=$0;
  109             }
  110             if (index($0, expect ".") == 1) {
  111                 exact=$0;
  112             }
  113         }
  114         END {
  115             if ( exact != "" ) {
  116                 print exact;
  117             } else if ( maybe != "" ) {
  118                 print maybe;
  119             } else {
  120                 print "";
  121             }
  122         }
  123         '`
  124         test -z "$value" && value="en_US.UTF-8"
  125     fi
  126     eval save=\$${name}
  127     eval ${name}=${value}
  128     eval export ${name}
  129     if test -z "$locale" ; then
  130         # The 'locale' program tries to do a sanity check.
  131         check=`sh -c "locale >/dev/null" 2>&1`
  132         if test -n "$check" ; then
  133             eval ${name}="${save}"
  134             eval export ${name}
  135 
  136             echo "$whoami tried to use locale $value by setting \$$name" >&2
  137             xmessage -file - <<EOF
  138 $whoami tried unsuccessfully to use locale $value
  139 by setting \$$name to "${value}".
  140 EOF
  141             exit 1
  142         fi
  143     fi
  144 fi
  145 
  146 # for testing:
  147 #test -f ./xterm && XTERM_PROGRAM=./xterm
  148 
  149 exec "$XTERM_PROGRAM" -class UXTerm -title "$whoami" -u8 "$@"