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+#!/bin/bash
+
+### Wrapper for the windows-software "Entfernungsrechner für Fahrvergünstigungen".
+#   This wrapper does start the software with 'wine' from the correct
+#   directory (where it can find it's data files), and does some
+#   command line argument reformatting so that filenames can be
+#   specified both absolutely and relatively to the directory the user
+#   starts this wrapper from.
+#
+#   Also, it starts with a German locale, if available, in order to make
+#   diacritical characters display correctly.
+#
+#   Content taken from idos-timetable-browser.sh from the Arch Linux AUR package
+#   'idos-timetable-browser-latest'. See there if command line argument parsing
+#   and rebasing is needed here.
+
+
+
+### Global variables:
+
+# Where this wrapper is started from:
+_cwd="$(pwd)"
+
+# Where the software is installed:
+_installdir="/opt/entfernungsrechner"
+
+# What the executable of the software is:
+_executable="${_installdir}/PFFEB.exe"
+
+# Print some debug messages? Can be controlled via environment; if not
+# specified in the environment, set it here:
+if [ -z "${DEBUG}" ]; then
+  DEBUG="true"
+fi
+
+
+
+### Some helper functions 
+
+debug() {
+  case "${DEBUG}" in
+    "1"|[yY][eE][sS]|[tT][rR][uU][eE])
+      echo "DEBUG info: $@" > /dev/stderr
+    ;;
+  esac
+}
+
+
+
+### Check for locale, and if present, set German locale:
+
+if locale -a | grep -qE '^de_DE'; then
+  if locale -a | grep -qE '^de_DE' | grep -qi utf8; then
+    LC_CTYPE="$(locale -a | grep -E '^de_DE' | grep -i utf8 | head -n 1)"
+  else
+    LC_CTYPE="$(locale -a | grep -E '^de_DE' | tail -n 1)"
+  fi
+  export LC_CTYPE
+fi
+
+
+
+### Launch the software with the parsed and maybe reformatted arguments:
+
+cd "${_installdir}"
+
+debug '$LC_CTYPE is set to: '"'${LC_CTYPE}' (if it does not begin with 'de_DE', try to enable German locale on your system to display diacritical characters correctly)."
+debug "We are running from the directory: '$(pwd)'."
+debug "Executing the following command: 'wine ${_executable} $@'."
+
+wine "${_executable}" "$@"