diff --git a/README.md b/README.md
index cee9f73..11d0cef 100644
--- a/README.md
+++ b/README.md
@@ -34,11 +34,11 @@ and output
   * txt labyrinth as text
   * we minetest/luanti world edit format
 
-===== BUILD =====
+## BUILD
 
 See BUILD.md
 
-===== INSTALL =====
+## INSTALL
 
 obtain laby.zip directly build or from you own build ( see BUILD above ).
 
@@ -48,11 +48,10 @@ unzip laby.zip
 
 it will create  a artloglaby directory.
 
-===== RUN =====
+## RUN
 
 run it on a Linux distribution with :
 
-
 ```
 cd artloglaby ; ./laby.sh
 ```
diff --git a/antify.sh b/antify.sh
new file mode 100755
index 0000000..9afbfd7
--- /dev/null
+++ b/antify.sh
@@ -0,0 +1,92 @@
+#!/bin/bash
+#
+# Generates to stdout an ant project build.xml content using some parameters from project_params
+#
+# this is used by 4java.makefile for build.xml target
+
+usage()
+{
+    head -n 4 $0 
+}
+
+PROJECT_PARAMS=./project_params
+if [[ -f $PROJECT_PARAMS ]]
+then
+    source $PROJECT_PARAMS
+else
+    echo "[ERROR] missing $PROJECT_PARAMS " >&2
+    usage
+    exit 1
+fi
+
+# TODO reuse internal tsamp ${DSTAMP} ( after review i do't recall what is wanted to do here )
+
+cat <<EOF
+<project name="$project_name" default="$project_default" basedir="$project_basedir">
+    <description>
+        $project_name build
+        autogenerated build file by $0 script 
+    </description>
+  <!-- set global properties for this build -->
+  <property name="src" location="java"/>
+  <property name="build" location="build"/>
+  <property name="dist"  location="dist"/>
+  <!-- Fill me please / todo 
+  <property name="artgraphicslib" value="artgaphics-0.1.0"/>
+  <property name="distversion" value="1.0"/>
+  -->
+
+  <target name="init">
+    <!-- Create the time stamp -->
+    <tstamp/>
+    <!-- Create the build directory structure used by compile -->
+    <mkdir dir="\${build}"/>
+  </target>
+
+  <target name="compile" depends="init"
+        description="compile the source " >
+    <!-- Compile the java code from \${src} into \${build} -->
+EOF
+
+if [[ -z $java_target ]]
+then
+    echo '   <javac srcdir="${src}" destdir="${build}">'
+else
+    echo "   <javac target=\"$java_target\" source=\"$java_target\" srcdir=\"\${src}\" destdir=\"\${build}\"><compilerarg value=\"-Xlint:-options\"/>"
+fi
+echo "<!-- suggestion "
+excludes="org/artisanlogiciel/games/javafx/*"
+for exclude in "$excludes"
+do
+    echo "      <exclude name=\"$exclude\"/>"
+done
+echo "-->"
+echo "   </javac>"
+
+cat <<EOF
+  </target>
+
+  <target name="dist" depends="compile"
+        description="generate the distribution" >
+    <!-- Create the distribution directory -->
+    <mkdir dir="\${dist}/lib"/>
+
+    <!-- Put everything in \${build} into the ${project_name}-${project_version}.jar file  ( \${DSTAMP} not used yet )-->
+    <jar jarfile="\${dist}/lib/${project_name}-${project_version}.jar" basedir="\${build}">
+            <manifest>
+                <attribute name="Main-Class" value="$project_mainclass"/>
+    <!-- suggestion
+		<attribute name="Class-Path" value="\${artgraphicslib}.jar"/>
+    -->
+            </manifest>
+     </jar>
+  </target>
+
+  <target name="clean"
+        description="clean up" >
+    <!-- Delete the \${build} and \${dist} directory trees -->
+    <delete dir="\${build}"/>
+    <delete dir="\${dist}"/>
+  </target>
+</project>
+EOF
diff --git a/debianize.sh b/debianize.sh
new file mode 100755
index 0000000..38af550
--- /dev/null
+++ b/debianize.sh
@@ -0,0 +1,76 @@
+#!/bin/bash
+
+action=$1
+file=$2
+
+maintainer="Artlog <pl@artisanlogiciel.net>"
+
+if [[ $action == getversion ]]
+then
+    source ./project_params
+    echo $project_version
+elif [[ $action == getproject ]]
+then
+    source ./project_params
+    echo $project_name
+elif [[ $action =~ get([_a-z]*)$ ]]
+then
+    getvar=${BASH_REMATCH[1]}
+    source ./project_params
+    eval "echo \$$getvar"
+elif [[ $action == create ]]
+then
+    source ./project_params
+
+    if [[ $file == debian/control ]]
+    then
+    
+    cat <<EOF
+Source: ${project_name}-java
+Priority: extra
+Maintainer: $maintainer
+Build-Depends: debhelper (>= 7.0.50~), javahelper (>=0.25)
+Build-Depends-Indep: default-jdk, default-jdk-doc, libtrove-java, libtrove-java-doc, ant
+Standards-Version: ${project_version}
+Section: java
+
+Package: ${project_name}-java
+Architecture: all
+Depends: \${java:Depends}, \${misc:Depends}
+Recommends: \${java:Recommends}
+Description: Labyrinth generator
+  Labyrinth generator
+
+Package: ${project_name}-java-doc
+Architecture: all
+Depends: \${java:Depends}, \${misc:Depends}
+Recommends: \${java:Recommends}
+Description: Labyrinth generator (documentation)
+ Labyrinth generator
+EOF
+    elif [[ $file = debian/changelog ]]
+    then
+    cat <<EOF
+${project_name}-java (${project_version}) unstable; urgency=low
+
+  * Initial debian package
+
+ -- ${maintainer}  $(LANG=C date -R)
+EOF
+    elif [[ $file = debian/rules ]]
+    then
+	cat <<EOF
+#!/usr/bin/make -f
+JAVA_HOME=/usr/lib/jvm/default-java
+
+%:
+	dh \$@ --with javahelper
+EOF
+    elif [[ $file = deb/javadoc ]]
+    then
+	echo "api /usr/share/doc/${project_name}-java/api" >debian/${project_name}-java-doc.javadoc
+    elif [[ $file = deb/jlibs ]]
+    then
+	echo "dist/lib/${project_name}-${project_version}.jar" >debian/${project_name}-java.jlibs
+    fi
+fi
diff --git a/doit.sh b/doit.sh
new file mode 100755
index 0000000..b32c6af
--- /dev/null
+++ b/doit.sh
@@ -0,0 +1,393 @@
+#!/bin/bash
+# entry point for project building / editing / running
+
+# this specific_run is intended to be overriden by specific_doit.sh script if any.
+function specific_run()
+{
+    echo "[ERROR] '$1' command is not supported in a generic manner" >&2
+}
+
+# within a list of files $1 $2 ... find the first that exists and set variable found_best to it.
+find_best()
+{
+    while [[ $# > 0 ]]
+    do
+	if [[ -f $1 ]]
+	then
+	    found_best=$1
+	    return
+	fi
+	shift
+    done
+}
+
+# $1 variable $2 value
+save_parameter()
+{
+    echo "$1=\"$2\"" >> .params
+}
+
+info()
+{
+    if [[ -z $NOJAVA ]]
+    then
+	echo "DEV_ENV=$DEV_ENV"
+	echo "JDK_PATH=$JDK_PATH"
+	echo "ECLIPSE_PATH=$ECLIPSE_PATH"
+	echo "PATH=$PATH"
+	java -version
+    else
+	echo "NOJAVA is set to $NOJAVA"
+    fi
+}
+
+setup()
+{
+    if [[ -z $NOJAVA ]]
+    then
+	if [[ ! -d java ]]
+	then
+	    echo "[INFO] Missing java directory." >&2
+	fi
+    fi
+}
+
+do_code()
+{
+    if [[ -z $NOJAVA ]]
+    then
+	background=$1
+	local jd=()
+	local id=()
+	local menu=()
+	index=0
+	# find all java source file within current directory and populate jd array with. even if java is a link ( -H option ).
+	for java_dir in $(find -H java -name '*.java' -exec dirname {} \; | sort -u)
+	do
+	    index=$((index+1))
+	    id+=($index)
+	    jd+=("$java_dir")
+	    menu+=($index "$java_dir")
+	done
+	echo "found ${#jd[@]} java source directories"
+	if [[ ${#jd[@]} -gt 1 ]]
+	then
+	    echo "${jd[@]}"
+	    # menu <text> <height> <width> <listheight> <tag[1]> <name[1]> ... <tag[n]> <name[n]>
+	    index_dir=$($DIALOG --menu "Select dir" 20 100 10 ${menu[@]} 3>&1 1>&2 2>&3)
+	    if [[ ! $? ]]
+	    then
+		echo "[ERROR] $DIALOG --menu did fail when requesting choice over java directories" >&2
+		exit 1
+	    fi
+	fi
+	java_dir=${jd[$((index_dir-1))]}
+	if [[ ! -d $java_dir ]]
+	then
+	    echo "$java_dir is not a directory" >&2
+	    return
+	fi
+	echo "chose dir $java_dir"
+	find $java_dir -maxdepth 1 -name '*.java' |
+	    {
+		local s=()
+		while read codeline
+		do
+		    javafile=$(basename "$codeline")
+		    javaclass=${javafile/.java/}
+		    echo "$javafile $javaclass"
+		    s+=("$javaclass" "$codeline")
+		done
+		javaclass=$($DIALOG --menu "Edit it" 20 100 10 ${s[@]} 3>&1 1>&2 2>&3)
+		if [[ -n $javaclass ]]
+		then
+		    if [[ $background == codebg ]]
+		    then
+			${EDITOR} $java_dir/$javaclass.java &
+		    else
+			${EDITOR} $java_dir/$javaclass.java
+		    fi
+		fi
+	    }
+    else
+	echo "NOJAVA set"
+    fi
+}
+
+edit_properties()
+{
+    local property_file=$1
+    if [[ -f $property_file ]]
+    then
+	modified=0
+	s=()
+	properties=()
+	values=()
+	{
+	    while read codeline
+	    do
+		if [[ $codeline =~ (^[a-zA-Z_]*)=(.*) ]]
+		then
+		    property=${BASH_REMATCH[1]}
+		    value=${BASH_REMATCH[2]}
+		    s+=("$property" "$value")
+		    properties+=("$property")
+		    values+=("$value")
+		fi
+	    done
+	    s+=(exit "Exit")
+	} < $property_file
+	
+	while true 
+	do
+	    property=$($DIALOG --menu "Edit '$property_file'" 20 100 10 ${s[@]} 3>&1 1>&2 2>&3)
+	    if [[ $? = 0 ]]
+	    then
+		if [[ -n $property ]]
+		then
+		    if [[ $property == exit ]]
+		    then
+			return 1
+		    elif [[ $property == save ]]
+		    then
+			for  (( i=0; i<${prop_len}; i++ ));
+			do
+			    echo "${properties[$i]}=${values[$i]}"
+			done >$property_file
+			return 0
+		    fi
+		    prop_len="${#properties[@]}"
+		    for  (( i=0; i<${prop_len}; i++ ));
+		    do
+			if [[ ${properties[$i]} == $property ]]
+			then
+			    init_value=${values[$i]}
+			fi
+		    done
+		    value=$($DIALOG --inputbox "Enter $property value" 10 80 "$init_value" 3>&1 1>&2 2>&3)
+		    if [[ $? = 0 ]]
+		    then
+			prop_len="${#properties[@]}"
+			s=()
+			if [[ "$value" != "$init_value" ]]
+			then
+			    modified=$(( modified + 1 ))
+			fi
+			for  (( i=0; i<${prop_len}; i++ ));
+			do
+			    if [[ ${properties[$i]} == $property ]]
+			    then
+				values[$i]=$value
+			    fi
+			    s+=("${properties[$i]}" "${values[$i]}")
+			    echo "${properties[$i]}=${values[$i]}"
+			done
+			s+=(exit "Exit")
+			if [[ $modified != 0 ]]
+			then
+			    s+=(save "Save")
+			fi
+		    fi
+		fi
+	    else
+		return 2
+	    fi
+	done
+    else
+	echo "[ERROR] property_file '$propertyfile' not found" >&2
+    fi
+
+}
+
+specific_menus=()
+
+if [[ -f ./specificdoit.sh ]]
+then
+    source ./specificdoit.sh
+fi
+
+if [[ -f .params ]]
+then
+    source .params
+    if [[ -n $DIALOG ]]
+    then
+	if [[ ! -x $DIALOG ]]
+	then
+	    echo "[ERROR] DIALOG=$DIALOG dialog tool not executable" >&2
+	    exit 1
+	fi
+    fi
+fi
+
+LOG_OUTFILE=.log
+
+if [[ -z $DIALOG ]]
+then
+    echo "[INFO] detecting dialog program"
+    
+    possible_console_gui="whiptail dialog"
+    
+    for DIALOG in $possible_console_gui
+    do
+	DIALOG=$(which $DIALOG)
+	if [[ -x $DIALOG ]]
+	then
+	    $DIALOG --menu "Ultra Light IDE" 20 80 2 "select me to validate $DIALOG " justfortest
+	    rc=$?
+	    if [[ $rc != 0 ]]
+	    then
+		echo "[ERROR] $DIALOG return code $rc : can't use it" >&2
+	    else
+		break
+	    fi
+	fi
+    done
+
+    if [[ -z $DIALOG ]]
+    then
+	echo "[ERROR] no console gui support (no dialog tool found within $possible_console_gui)  => no menus " >&2
+	echo "[INFO] this can happen under emacs within shell or eshell, please use term then"
+	exit 1
+    fi
+
+    save_parameter DIALOG "$DIALOG"
+fi
+
+possible_editor="emacs vi nano"
+
+for EDITOR in $possible_editor
+do
+    EDITOR=$(which $EDITOR)
+    if [[ -x $EDITOR ]]
+    then
+	break
+    fi
+done
+
+if [[ -z $EDITOR ]]
+then
+    echo "[ERROR] no editor found (within $possible_editor)  => no editing " >&2
+fi
+
+setup
+
+action=initial
+# count successives failures.
+failed_commands_count=0
+
+while [[ $action != quit ]]
+do
+    # should detect that dialog failed
+    if [[ -z $NOJAVA ]]
+    then
+	# should be cleaned up from specific laby project targets.
+	action=$($DIALOG --menu "Ultra Light IDE" 20 80 12 readme "Read me" clean "Clean All" ant "Ant build" run "Run it"  ${specific_menus[@]} test "Test it" code "Code" codebg "Code in background" deb "Debian package" properties "Edit Properties" create "Create a new class" info "Info" logs "Logs" quit "Quit" 3>&1 1>&2 2>&3)	
+    else
+	action=$($DIALOG --menu "Ultra Light IDE" 20 80 12 readme "Read me" clean "Clean All" run "Run it"  test "Test it" ${specific_menus[@]} code "Code" codebg "Code in background" deb "Debian package" properties "Edit Properties" info "Info" logs "Logs" quit "Quit" 3>&1 1>&2 2>&3)
+    fi    
+
+    rc=$?
+    if [[ $rc == 0 ]]
+    then
+	failed_commands_count=0
+    else
+	failed_commands_count=$(( failed_commands_count + 1 ))
+    fi
+    if (( $failed_commands_count > 10 ))
+    then
+	echo "[ERROR] more than 10 successive failures ( $failed_commands_count > 10 )" >&2
+	echo "[INFO] Check if your environment supports $DIALOG"	
+	action=quit
+    fi    
+    
+    if [[ $action == run ]]
+    then
+	if [[ -z $NOJAVA ]]
+	then
+	    echo "run it"
+	    {
+		source ./project_params
+		javalibs=$(make -f ${JAVA_MAKEFILE} getjavalibs|awk '{ printf "%s:",$1 }')
+		mainlib=$(make -f ${JAVA_MAKEFILE} getname)
+		javarun="java -cp $mainlib:$javalibs $project_mainclass"
+		echo $javarun
+		$javarun
+	    }
+	else
+	    make
+	fi
+    elif [[ $action == ant ]]
+    then
+	make -f ${JAVA_MAKEFILE} clean
+	make -f ${JAVA_MAKEFILE}
+	ant compile >>.log 2>&1
+    elif [[ $action == clean ]]
+    then
+	if [[ -z $NOJAVA ]]
+	then
+	    make -f ${JAVA_MAKEFILE} clean
+            pushd java
+	    make  clean
+	    popd
+	else
+	    make clean
+	fi
+    elif [[ $action == test ]]
+    then
+	if [[ -z $NOJAVA ]]
+	then
+	    echo "test it"
+	    pushd java
+	    make display
+	    popd
+	else
+	    make test
+	fi
+    elif [[ $action == deb ]]
+    then
+	make -f ${JAVA_MAKEFILE} deb
+    elif [[ $action =~ code ]]
+    then
+	do_code $action
+    elif [[ $action == readme ]]
+    then
+	found_best=
+	find_best README README.md
+	if [[ -n $found_best ]]
+	then
+	    $DIALOG --textbox $found_best 40 80 --scrolltext
+	else
+	    echo "no README or README.md found" >&2
+	fi
+    elif [[ $action == properties ]]
+    then
+	edit_properties project_params
+    elif [[ $action == create ]]
+    then
+	newclass=$($DIALOG --inputbox "Enter new class name" 10 80 "NewClass" 3>&1 1>&2 2>&3)
+	if [[ $? = 0 ]]
+	then
+	    if [[ -n $newclass ]]
+	    then
+		MAIN_CLASS=Main PACKAGE=$(./debianize.sh getproject_mainpackage) make -f 4create.makefile work/$newclass
+	    fi
+	fi
+    elif [[ $action == info ]]
+    then
+	infos=$(mktemp)
+	info >$infos
+	$DIALOG --textbox $infos 40 80 --scrolltext
+	rm $infos
+    elif [[ $action == logs ]]
+    then
+	if [[ -f .log ]]
+	then
+	    $DIALOG --textbox .log 40 80 --scrolltext
+	fi
+    elif [[ $action == quit ]]
+    then
+	echo "[INFO] quit requested"
+    else	
+	specific_run $action
+    fi
+done
diff --git a/eclipse_env.sh b/eclipse_env.sh
new file mode 100755
index 0000000..4d859af
--- /dev/null
+++ b/eclipse_env.sh
@@ -0,0 +1,137 @@
+#!/bin/bash
+# for the story this comes from a JavaFX training i attended
+
+usage()
+{
+    cat <<EOF
+Usage $0:
+setup_dev_env: create file devenv_params with reference over jdk and eclipse path
+    
+any other argument is an error
+no argument => launch eclipse
+EOF
+
+}
+create_dev_params()
+{
+    if [[ -e devenv_params ]]
+    then
+	echo " devenv_params already exists"
+	exit 1
+	# could update this way
+	# source devenv_params
+    else
+	if [[ -z $DEV_ENV ]]
+	then
+	    echo "[ERROR] DEV_ENV $DEV_ENV not set, call setup_eclipse_dir from this '$0' script"
+	    exit 1
+	fi
+	cat >devenv_params <<EOF
+DEV_ENV=$DEV_ENV
+JDK_PATH=$JDK_PATH
+ECLIPSE_PATH=$ECLIPSE_PATH
+EOF
+    fi
+}
+
+setup_eclipse_dir()
+{
+    if [[ -e devenv_params ]]
+    then
+	source devenv_params
+    else
+	echo "[WARNING] Use some defaults for devenv_params"
+	echo "[INFO] please adapt them. Current setup should be compatible with 'sudo snap install eclipse --classic' setup"
+	DEV_ENV=~$(pwd)/devel_tools
+	JDK_PATH=/usr/lib/jvm/java-11-openjdk-amd64
+	ECLIPSE_PATH=$(dirname $(which eclipse))
+    fi
+}
+
+# Not tested written after install ...
+setup_eclipse()
+{
+    # current list of TGZ got from oracle (tm)
+    TGZ_LIST="eclipse-jee-mars-2-linux-gtk-x86_64.tar.gz javafx_scenebuilder-2_0-linux-x64.tar.gz jdk-8u74-linux-x64.tar.gz"   
+}
+
+check_eclipse()
+{
+    if [[ -z $JDK_PATH ]]
+    then
+	echo "[ERROR] Missing JDK_PATH, either devenv_params is wrong or missing" >&2
+	exit 1
+    fi
+    if [[ -z $ECLIPSE_PATH ]]
+    then
+	echo "[ERROR] Missing ECLIPSE_PATH, either devenv_params is wrong or missing" >&2
+	exit 1
+    fi
+    if [[ ! -d $JDK_PATH ]]
+    then
+	echo "[ERROR] Missing JDK_PATH '$JDK_PATH'" >&2
+    fi
+    
+    if [[ ! -d $ECLIPSE_PATH ]]
+    then
+	ls -la ${DEV_ENV}
+	
+	echo "[ERROR] Missing ECLIPSE_PATH '$ECLIPSE_PATH'" >&2
+	exit 1
+    fi
+
+}
+
+# not yet used ...
+create_sandbox()
+{
+    mkdir sandbox
+}
+
+check_java_version() {
+    local expected_version='1.8.0'
+    if java -version 2>&1 | grep "$expected_version"
+    then
+	if javac -version 2>&1 | grep "$expected_version"
+	then
+	    $*
+	else
+	    echo "[ERROR] Wrong javac version expected $expected_version" >&2
+	fi
+    else
+	echo "[ERROR] Wrong java version expected $expected_version" >&2
+    fi
+}
+
+# overrides PATH with JDK_PATH ECLIPSE_PATH
+# and check java is the right one to launch eclipse
+run_in_sandbox()
+{
+    PATH=$JDK_PATH/bin/:$JDK_PATH/jre/bin/:$ECLIPSE_PATH:$PATH
+
+    export PATH
+
+    [[ -n $check_version ]] && check_java_version
+}
+
+while [[ $# > 0 ]]
+do
+    case $1 in
+	setup_dev_env)
+	    setup_eclipse_dir
+	    create_dev_params
+	    exit 0
+	    ;;
+	*)
+	    echo "[ERROR] Unrecognized argument '$1'" >&2
+	    usage
+	    exit 1
+	    ;;
+    esac
+    shift 1
+done
+
+setup_eclipse_dir
+check_eclipse
+run_in_sandbox eclipse -data $(pwd)/workspace
+
diff --git a/generate_new.sh b/generate_new.sh
new file mode 100755
index 0000000..5a789d0
--- /dev/null
+++ b/generate_new.sh
@@ -0,0 +1,209 @@
+#!/bin/bash
+# generate empty templates or add functions given a defined language
+
+usage()
+{
+    head -n 2
+}
+
+generate_java_class()
+{
+    cat <<EOF >$JAVA_FILE
+package $PACKAGE;
+
+/**
+ $CLASS was autogenerated by $TOOLP
+ **/
+public $ctype $CLASS
+{
+    Object param;
+
+    $CLASS(Object param)
+    {
+       this.param=param;
+    }
+
+    void method()
+    {
+       System.out.println("Method of $PACKAGE.$CLASS");
+    }
+
+  public static void main(String args[]) {
+    if ( args.length > 1 )
+    {
+      $CLASS instance=new $CLASS(args[1]);
+      instance.method();
+    }
+    else 
+    {
+      System.err.println("Missing argument for $CLASS");
+    }
+  }
+}
+EOF
+}
+
+generate_java_interface()
+{
+cat <<EOF >$JAVA_FILE
+package $PACKAGE;
+
+/**
+ $CLASS was autogenerated by $TOOLP
+ **/
+public $ctype $CLASS
+{
+    /**
+       @return X
+    */
+    int getX();
+
+    /**
+       @return Y
+    */
+    int getY();
+}
+EOF
+}
+
+add_new_c_main()
+{
+    cat <<EOF >>$C_FILE
+# autogenerated by $TOOLP
+int main(int argc, char **argv)
+{
+    todo(\"Code this\");
+    return 0;
+}
+EOF
+}
+
+add_new_c_function()
+{
+    echo "[INFO] add new c function $FUNCTION in h_file=$H_FILE and c_file=$C_FILE"
+    if [[ $FUNCTION == main ]]
+    then
+	add_new_c_main
+    else	
+    cat <<EOF >>$H_FILE
+# autogenerated by $TOOLP
+int $FUNCTION();
+EOF
+    cat <<EOF >>$C_FILE
+# autogenerated by $TOOLP
+int $FUNCTION(){
+    todo(\"Code this $FUNCTION\");
+    return -2;
+}
+EOF
+    fi
+}
+
+#TODO : support "like=" to copy/renaming an existing class
+
+TOOLP="$0 $*"
+
+ctype=class
+genlang=java
+
+while [[ $# > 0 ]]
+do
+    case $1 in
+	class|interface)
+	    ctype=$1
+	    ;;
+	package=*)
+	    PACKAGE=${1/package=/}
+	    ;;
+	package_dir=*)
+	    PACKAGE_DIR=${1/package=/}
+	    PACKAGE=${PACKAGE//\//\.}
+	    ;;
+	genlang=*)
+	    genlang=${1/genlang=/}
+	    ;;
+	class=*)
+	    CLASS=${1/class=/}
+	    ;;
+	function=*)
+	    FUNCTION=${1/function=/}
+	    ;;
+	c_file=*)
+	    C_FILE=${1/c_file=}
+	    ;;
+	h_file=*)
+	    H_FILE=${1/h_file=}
+	    ;;	
+	*)
+	    if [[ -z $CLASS ]]
+	    then
+		CLASS=${1}
+		echo "[INFO] setting class=$CLASS" >&2
+	    else		
+		echo "[ERROR] unrecognized parameter $1" >&2
+	    fi
+	    ;;
+    esac
+    shift 1
+done
+
+
+if [[ $genlang == java ]]
+then
+
+    if [[ -z $PACKAGE ]]
+    then
+	echo "[INFO] obtain package name from project settings"
+	PACKAGE=$(./debianize.sh getproject_mainpackage)
+	if [[ -z $PACKAGE ]]
+	then
+	    echo "[ERROR] can't find project_mainpackage" >&2
+	    exit 1
+	fi
+    fi
+
+    if [[ -z $CLASS ]]
+    then
+	echo "[ERROR] Missing class" >&2
+	exit 1
+    fi
+
+    PACKAGE_DIR=${PACKAGE//\./\/}
+
+    if [[ ! -d $PACKAGE_DIR ]]
+    then
+	echo "Missing $PACKAGE_DIR" >&2
+	exit 1
+    fi
+
+    JAVA_FILE=$PACKAGE_DIR/$CLASS.java
+    if [[ -e $JAVA_FILE ]]
+    then
+	echo "[ERROR] $JAVA_FILE already exists" >&2
+	exit 1
+    else
+
+	if [[ $ctype == class ]]
+	then
+	    generate_java_class
+	else
+	    generate_java_interface
+	fi
+    fi
+
+    echo "$JAVA_FILE generated"
+elif [[ $genlang == c ]]
+then
+    if [[ -z $H_FILE ]]
+    then
+	H_FILE=c/genauto.h
+    fi
+    if [[ -z $C_FILE ]]
+    then
+	C_FILE=c/genauto.c
+    fi
+    add_new_c_function
+else
+    echo "[ERROR] language genlang=$genlang NOT supported" >&2
+    usage
+fi