File AppRun.sh of Package texmacs
#!/bin/sh
DISTRIBUTOR_ID=`lsb_release -a 2>/dev/null |grep "Distributor ID"`
if [ ! "${DISTRIBUTOR_ID#*Ubuntu}" = "$DISTRIBUTOR_ID" ] ; then
export QT_X11_NO_NATIVE_MENUBAR=1
fi
if [ -z $APPDIR ]; then APPDIR=$(readlink -f $(dirname "$0")); export APPDIR; fi
prefix="$APPDIR"/usr/
exec_prefix="${prefix}"
datarootdir="${prefix}/share"
datadir="${datarootdir}"
TEXMACS_PATH=${datarootdir}/TeXmacs
export TEXMACS_PATH
TEXMACS_BIN_PATH=${exec_prefix}
export TEXMACS_BIN_PATH
export PATH="$TEXMACS_BIN_PATH/bin:$APPDIR"/usr/bin/:"$PATH"
exec texmacs.bin "$@" < /dev/null