diff --git a/bin/bamc b/bin/bamc
index 09abbdf..35b32c9 100755
--- a/bin/bamc
+++ b/bin/bamc
@@ -1,35 +1,34 @@
 #!/bin/bash
 
 # Set SNAME, SDIR and SPATH
 if [ -h $0 ]; then SNAME=$(readlink $0); else SNAME=$0; fi
 SDIR=$(dirname $SNAME)
 if [[ "$SDIR" =~ ^/ ]]; then SPATH=$SDIR; else SPATH=$(realpath $(pwd)/$SDIR); fi
 
 # Set DIR_LIB
 DIR_LIB=$(realpath $SPATH/../lib/bash)
 
 # Source libs
 source $DIR_LIB/tools.sh
 source $DIR_LIB/colors.sh
 source $DIR_LIB/io.sh
 source $DIR_LIB/debugging.sh
 source $DIR_LIB/cmdline_parser.sh
 source $DIR_LIB/bamc_configuration.sh
 source $DIR_LIB/bamc_sanity.sh
 source $DIR_LIB/bamc_help.sh
-source $DIR_LIB/bamc_actions.sh
 source $DIR_LIB/bamc_workspace.sh
 source $DIR_LIB/bamc_exams.sh
 source $DIR_LIB/bamc_templates.sh
 source $DIR_LIB/bamc_projects.sh
 source $DIR_LIB/bamc_amc-commands.sh
 
 DEFAULT_ITEMS=$(get_exam_list)
 DEFAULT_ACTIONS="help"
 CALLBACK_PREFIX="action_"
 
 run $@
 RC=$?
 debug "Return code: $RC"
 
 exit $RC
diff --git a/conf/bamc.conf b/conf/bamc.conf
index 50b271c..9362ef2 100644
--- a/conf/bamc.conf
+++ b/conf/bamc.conf
@@ -1,54 +1,55 @@
 #!/bin/bash
 
 # Worspace
 DIR_QUESTIONS='questions'
 DIR_EXAMS='exams'
 DIR_PROJECTS='projects'
 FILE_WORKSPACE_ROOT=".workspace_root"
 
 # Configuration dirs
 DIR_DATA=$(realpath $SPATH/../data)
 DIR_WORKSPACE_TEMPLATE=$DIR_DATA/workspace
 DIR_EXAM_TEMPLATES=$DIR_DATA/templates
 
 # Template
 DEFAULT_EXAM_TEMPLATE="default"
+FILE_PROJECT_BUILD="project_build_script.sh"
 
 # Configuration files
 FILE_AMC_OPTIONS='options.xml'
 
 # Output dirs
 DIR_PROJECTS='projects'
 DIR_SAMPLES='pdf-samples'
 DIR_BLANKS='pdf-blanks'
 DIR_PDFS='pdf-exams'
 DIR_LISTS='pdf-lists'
 
 # Intput files
 FILE_SECTIONS='sections.conf'
 FILE_EXAM='exam.conf'
 FILE_STUDENTS='students.csv'
 
 # Variables
 EXTRA_STUDENTS=9
 PDFLATEX_RUNS=1
 
 return 0
 
 FILE_SAMPLE_CSV='sample.csv'
 FILE_EXTRA_CSV='extra.csv'
 FILE_BLANK_CSV='blank.csv'
 FILE_AMC_MAILING='mailing.xml'
 FILE_LIST_MAIN='list.tex'
 FILE_LIST_TSTART='start_tab.tex'
 FILE_LIST_TEND='end_tab.tex'
 
 # OUTPUT FILES
 FILE_RESULTS='raw'
 FILE_EMAILS_SCRIPT='send_emails.sh'
 FILE_LIST_ROWS='rows.tex'
 
 # VARIABLES
 DEFAULT_EMAIL='pierre-olivier.valles@epfl.ch'
 LIST_ROWS_PER_PAGE=50
 LIST_MAX_CHAR=30
diff --git a/lib/bash/bamc_projects.sh b/data/templates/maths/project_build_script.sh
similarity index 70%
copy from lib/bash/bamc_projects.sh
copy to data/templates/maths/project_build_script.sh
index 5848d2f..35e182f 100644
--- a/lib/bash/bamc_projects.sh
+++ b/data/templates/maths/project_build_script.sh
@@ -1,234 +1,225 @@
 #!/bin/bash
 
-function action_clean() {
-	local exams=$@
-	local exam
-	for exam in $(echo $exams); do
-		assert_exam $exam
-		if [ $? -eq 1 ]; then return 1; fi
-		verbose "Cleaning '$exam' in workspace '$DIR_WORKSPACE'..."
-	
-		confirm "Clean project and outputs for exam '$exam' ?"
-		if [ $? -eq 0 ]; then return 0; fi
-	
-		for dir in $(echo $DIR_WORKSPACE/$DIR_PROJECTS $DIR_WORKSPACE/$DIR_SAMPLES $DIR_WORKSPACE/$DIR_BLANKS $DIR_WORKSPACE/$DIR_PDFS $DIR_WORKSPACE/$DIR_LISTS); do
-			if [ -d "$dir/$exam" ]; then
-				verbose "Removing directory: '$dir/$exam'"
-				rm -rf "$dir/$exam/"
-			else
-				verbose "Removing files: '$dir/$exam*'"
-				rm -rf $dir/$exam-*
-				rm -rf $dir/*-$exam*
-			fi
-			if [ -d "$dir" ]; then
-				if [ $(ls -1A $dir/ | wc -l) -eq 0 ]; then
-					verbose "Removing now empty directory: '$dir'"
-					rmdir $dir/
-				fi
-			fi
-		done
-	done
-	return 0
-}
-
-function action_project() {
-	# Get exam template to use
-	assert_template
-	if [ $? -ne 0 ]; then return 1; fi
-	local exams=$@
-	local exam lang
-	for exam in $(echo $exams); do
-		assert_exam $exam
-		lang=$(get_lang $exam)
-		verbose "Project '$exam' uses '$lang' language"
-
-		if [ $? -eq 1 ]; then return 1; fi
-		verbose "Building AMC project for '$exam' in workspace '$DIR_WORKSPACE'..."
-
-		# Project structure
-		build_amc_project $exam
-		if [ $? -ne 0 ]; then error "Could not build AMC project :("; return 1; fi
+# This part is specific to the template.
+# Entry point from bamc: build_project $exam
+# $exam: name of the exam to build
+#
+# Useful variable
+# ---------------
+# DIR_WORKSPACE     [current workspace dir (absolute)]
+# DIR_PROJECTS      [projects target directory]
+# DIR_EXAMS         [exams'directory in workspace] e.g. $DIR_WORKSPACE/$DIR_EXAMS/$exam
+# DIR_PROJECTS      [projects's directory in workspace]
+# DIR_EXAM_TEMPLATE [directory of the exam template in use]
+# FILE_STUDENTS
+# ...
+# see 'conf/bamc.conf' for full reference
+#
+# Useful functions
+# ----------------
+# verbose "text"
+# debug "text"
+# get_lang $exam
+# ...
+# see 'lib/bash/*.sh' files for full reference
+
+function build_project() {
+	local exam=$1 lang=$(get_lang $exam)
+	assert_exam $exam
+	verbose "Project '$exam' uses '$lang' language"
+
+	if [ $? -eq 1 ]; then return 1; fi
+	verbose "Building AMC project for '$exam' in workspace '$DIR_WORKSPACE'..."
+
+	# Project structure
+	build_amc_project $exam
+	if [ $? -ne 0 ]; then error "Could not build AMC project :("; return 1; fi
+
+	# Build LaTeX sections
+	build_sections $exam $lang
+	if [ $? -ne 0 ]; then error "Could not build project sections :("; return 1; fi
+
+	# Import LaTeX files
+	import_tex_files $exam $lang
+	if [ $? -ne 0 ]; then error "Could not import LaTeX files :("; return 1; fi
+
+	# Import local LaTeX files
+	override_tex_files $exam
+	if [ $? -ne 0 ]; then error "Could not override LaTeX files :("; return 1; fi
+
+	# Customize LaTeX file
+	customize_tex_files $exam $lang
+	if [ $? -ne 0 ]; then error "Could not customize LaTeX files :("; return 1; fi
+
+	# Import media files
+	add_media_files $exam
+	if [ $? -ne 0 ]; then error "Could not import media files :("; return 1; fi
+
+	# Build student list file
+	import_student_file $exam
+	if [ $? -ne 0 ]; then error "Could not create student list :("; return 1; fi
 
-		# Build LaTeX sections
-		build_sections $exam $lang
-		if [ $? -ne 0 ]; then error "Could not build project sections :("; return 1; fi
-
-		import_tex_files $exam $lang
-		if [ $? -ne 0 ]; then error "Could not import LaTeX files :("; return 1; fi
-
-		override_tex_files $exam
-		if [ $? -ne 0 ]; then error "Could not override LaTeX files :("; return 1; fi
-
-		customize_tex_files $exam $lang
-		if [ $? -ne 0 ]; then error "Could not customize LaTeX files :("; return 1; fi
-
-		add_media_files $exam
-		if [ $? -ne 0 ]; then error "Could import media files :("; return 1; fi
-
-		import_student_file $exam
-	done
 	return 0
 }
 
 function import_student_file() {
   	verbose "Customizing LaTeX files"
 	local project=$DIR_WORKSPACE/$DIR_PROJECTS/$1
 	local exam=$DIR_WORKSPACE/$DIR_EXAMS/$1
   	local lang=$2
 
 	local FILE=$exam/$FILE_STUDENTS
 	check_file_exists $FILE
 	if [ $? -ne 0 ]; then return 1; fi
 
 	cp $FILE $project/$FILE_STUDENTS
   
 	# Add extra students
 	local nb IFS=$'\n'
 	local id=$(tail -n 1 $project/$FILE_STUDENTS | cut -d ',' -f 1)
 	local sample=$(head -n 1 $DIR_EXAM_TEMPLATE/csv/extra.csv)
 	nb=0
 	while [ $nb -lt $EXTRA_STUDENTS ]; do
 		((nb++))
 		((id++))
 		echo $sample |\
 		sed "s/#NB#/$nb/g" |\
 		sed "s/#ID#/$id/g" |\
 		sed "s/#SCIPER#/FAKE-$nb/g" |\
 		sed "s/#EMAIL#/$DEFAULT_EMAIL/g" |\
 		sed "s/#SEMESTER#/$SEMESTER/g" >> $project/$FILE_STUDENTS
 	done
 	return 0
 }
 
 
 function add_media_files() {
   	verbose "Importing media files"
 	local project=$DIR_WORKSPACE/$DIR_PROJECTS/$1
 	cp $DIR_EXAM_TEMPLATE/media/* $project/media/
 }
 
 
 function replace_in_file() {
 	local pattern=$1 string=$2 filename=$3
 	sed "s/$pattern/$string/g" $filename > /tmp/sed.tmp.$$
 	mv /tmp/sed.tmp.$$ $filename
 	return 0
 }
 
 function customize_tex_files() {
   	verbose "Customizing LaTeX files"
 	local project=$DIR_WORKSPACE/$DIR_PROJECTS/$1
 	local exam=$DIR_WORKSPACE/$DIR_EXAMS/$1
   	local lang=$2
 
 	local replace IFS=$'\n'
 	local FILE=$exam/$FILE_EXAM
 	check_file_exists $FILE
 	if [ $? -ne 0 ]; then return 1; fi
   
 	# professor.tex
 	local prof_file=$project/professor.tex
 	check_file_exists $prof_file
 	if [ $? -ne 0 ]; then return 1; fi
 	for replace in $(cat $FILE); do
 		replace_in_file "#$(echo $replace | cut -d ':' -f 1)#" "$(echo $replace | cut -d ':' -f 2-)" $prof_file
 	done
   
 	# exam.tex
 	replace_in_file "#LANG#" $(echo $lang | tr '[a-z]' '[A-Z]') $project/exam.tex
   
 	# Add extra_section.tex file
 	if [ -r $exam/extra_section.tex ]; then
 		sed -i 's?% #EXTRA_SECTION#?\\input{./extra_section.tex}?g' $project/exam.tex
 	fi
 	# Add extra_packages.tex file
 	if [ -r $exam/extra_packages.tex ]; then
 		sed -i 's?% #EXTRA_PACKAGES#?\\input{./extra_packages.tex}?g' $project/exam.tex
 	fi
 
 	return 0
 }
 
 function override_tex_files() {
   	verbose "Overriding LaTeX files (if needed)"
 	local exam=$DIR_WORKSPACE/$DIR_EXAMS/$1
 	local project=$DIR_WORKSPACE/$DIR_PROJECTS/$1
 	local f
 	for f in $(find $exam/ -type f -name '*.tex'); do
 		verbose "- LaTeX override file found: $f"
 	done
 	find $exam/ -type f -name '*.tex' -exec cp {} $project/ \;
 }
 
 function import_tex_files() {
   	verbose "Importing LaTeX files"
 	local project=$DIR_WORKSPACE/$DIR_PROJECTS/$1
   	local lang=$2
 	cp $DIR_EXAM_TEMPLATE/base/* $project/
 	cp $DIR_EXAM_TEMPLATE/$lang/* $project/
 	return 0
 }
 
 function build_amc_project() {
 	local project=$DIR_WORKSPACE/$DIR_PROJECTS/$1
 	verbose "Creating AMC project structure"
 	mkdir -p $project/cr/corrections/jpg
 	mkdir -p $project/cr/corrections/pdf
 	mkdir -p $project/cr/diagnostic
 	mkdir -p $project/cr/zooms
 	mkdir -p $project/data
 	mkdir -p $project/exports
 	mkdir -p $project/scans
 	mkdir -p $project/copies
 	mkdir -p $project/media
 	cp $DIR_EXAM_TEMPLATE/config/$FILE_AMC_OPTIONS $project/$FILE_AMC_OPTIONS
 	return $?
 }
 
 function get_exam_parameter() {
 	cat $DIR_WORKSPACE/$DIR_EXAMS/$1/$FILE_EXAM | grep "^$2:" | cut -d ':' -f 2-
 }
 
 function get_lang() {
 	get_exam_parameter $1 'LANG'
 }
 
 function build_sections() {
 	local project=$DIR_WORKSPACE/$DIR_PROJECTS/$1
 	local exam=$DIR_WORKSPACE/$DIR_EXAMS/$1
 	local lang=$2
 
 	local question_file question section_file section
 	local IFS=$'\n' FILE=$exam/$FILE_SECTIONS
 
 	verbose "Importing questions"
 	check_file_exists $FILE
 	if [ $? -ne 0 ]; then return 1; fi
 
 	local section_num=0
 	rm -f $project/sections.tex $project/random-sections.tex
 	for section in $(cat $FILE); do
 		((section_num++))
 		section_file=$project/section_${section_num}.tex
 		rm -f $section_file
 		for question in $(echo $section | tr ',' '\n'); do
 			verbose "Adding $question to section $section_file...";
 			question_file=$DIR_WORKSPACE/$DIR_QUESTIONS/$lang/$question
 			check_file_exists $question_file
 			if [ $? -ne 0 ]; then return 1; fi
 			echo "%% From $lang/$question =======================================" >> $section_file
 			echo '\element{section'$section_num'}{' >> $section_file
 			cat $question_file >> $section_file
 			echo '}' >> $section_file
 		done
 		echo "\input{./section_${section_num}.tex}" >> $project/sections.tex
 		echo "\input{./header_${section_num}.tex}
 \melangegroupe{section${section_num}}
 \restituegroupe{section${section_num}}
 " >> $project/random-sections.tex
 	done
 	return 0
 }
 
-
 # EOF
diff --git a/lib/bash/bamc_actions.sh b/lib/bash/bamc_actions.sh
deleted file mode 100644
index a96bc3e..0000000
--- a/lib/bash/bamc_actions.sh
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/bin/bash
-
-function check_action() {
-	local action=$1
-	local function_to_call="${CALLBACK_PREFIX}${action}"
-	local function_exists=$(type "$function_to_call" 2>&1 | grep -c "$function_to_call"' is a function');
-	if [ $function_exists -eq 1 ]; then
-		return 0
-	else
-		return 1
-	fi
-}
-
-function action_switch() {
-	local action=$1
-	local function_to_call="${CALLBACK_PREFIX}${action}"
-	check_action $action
-	if [ $? -eq 0 ]; then
-		debug "Calling action '$action' => '${CALLBACK_PREFIX}${action}' on item(s) '$(get_items)'"
-		$function_to_call $(get_items)
-		#rc=$((rc+$?))
-		return $?
-	else
-		error "invalid action: '$action' => '${CALLBACK_PREFIX}${action}' (not implemented ?)"
-		return 1
-	fi
-	return 0
-}
-
-# EOF
diff --git a/lib/bash/bamc_projects.sh b/lib/bash/bamc_projects.sh
index 5848d2f..ce90946 100644
--- a/lib/bash/bamc_projects.sh
+++ b/lib/bash/bamc_projects.sh
@@ -1,234 +1,61 @@
 #!/bin/bash
 
 function action_clean() {
 	local exams=$@
 	local exam
 	for exam in $(echo $exams); do
 		assert_exam $exam
 		if [ $? -eq 1 ]; then return 1; fi
-		verbose "Cleaning '$exam' in workspace '$DIR_WORKSPACE'..."
+		perma "Cleaning '$exam'"
 	
 		confirm "Clean project and outputs for exam '$exam' ?"
 		if [ $? -eq 0 ]; then return 0; fi
 	
 		for dir in $(echo $DIR_WORKSPACE/$DIR_PROJECTS $DIR_WORKSPACE/$DIR_SAMPLES $DIR_WORKSPACE/$DIR_BLANKS $DIR_WORKSPACE/$DIR_PDFS $DIR_WORKSPACE/$DIR_LISTS); do
 			if [ -d "$dir/$exam" ]; then
 				verbose "Removing directory: '$dir/$exam'"
 				rm -rf "$dir/$exam/"
 			else
 				verbose "Removing files: '$dir/$exam*'"
 				rm -rf $dir/$exam-*
 				rm -rf $dir/*-$exam*
 			fi
 			if [ -d "$dir" ]; then
 				if [ $(ls -1A $dir/ | wc -l) -eq 0 ]; then
 					verbose "Removing now empty directory: '$dir'"
 					rmdir $dir/
 				fi
 			fi
 		done
 	done
 	return 0
 }
 
 function action_project() {
 	# Get exam template to use
 	assert_template
 	if [ $? -ne 0 ]; then return 1; fi
-	local exams=$@
-	local exam lang
-	for exam in $(echo $exams); do
-		assert_exam $exam
-		lang=$(get_lang $exam)
-		verbose "Project '$exam' uses '$lang' language"
-
-		if [ $? -eq 1 ]; then return 1; fi
-		verbose "Building AMC project for '$exam' in workspace '$DIR_WORKSPACE'..."
-
-		# Project structure
-		build_amc_project $exam
-		if [ $? -ne 0 ]; then error "Could not build AMC project :("; return 1; fi
-
-		# Build LaTeX sections
-		build_sections $exam $lang
-		if [ $? -ne 0 ]; then error "Could not build project sections :("; return 1; fi
 
-		import_tex_files $exam $lang
-		if [ $? -ne 0 ]; then error "Could not import LaTeX files :("; return 1; fi
-
-		override_tex_files $exam
-		if [ $? -ne 0 ]; then error "Could not override LaTeX files :("; return 1; fi
-
-		customize_tex_files $exam $lang
-		if [ $? -ne 0 ]; then error "Could not customize LaTeX files :("; return 1; fi
-
-		add_media_files $exam
-		if [ $? -ne 0 ]; then error "Could import media files :("; return 1; fi
-
-		import_student_file $exam
-	done
-	return 0
-}
-
-function import_student_file() {
-  	verbose "Customizing LaTeX files"
-	local project=$DIR_WORKSPACE/$DIR_PROJECTS/$1
-	local exam=$DIR_WORKSPACE/$DIR_EXAMS/$1
-  	local lang=$2
-
-	local FILE=$exam/$FILE_STUDENTS
-	check_file_exists $FILE
+	# Check we have a build script for this template
+	check_file_exists $DIR_EXAM_TEMPLATE/$FILE_PROJECT_BUILD
 	if [ $? -ne 0 ]; then return 1; fi
 
-	cp $FILE $project/$FILE_STUDENTS
-  
-	# Add extra students
-	local nb IFS=$'\n'
-	local id=$(tail -n 1 $project/$FILE_STUDENTS | cut -d ',' -f 1)
-	local sample=$(head -n 1 $DIR_EXAM_TEMPLATE/csv/extra.csv)
-	nb=0
-	while [ $nb -lt $EXTRA_STUDENTS ]; do
-		((nb++))
-		((id++))
-		echo $sample |\
-		sed "s/#NB#/$nb/g" |\
-		sed "s/#ID#/$id/g" |\
-		sed "s/#SCIPER#/FAKE-$nb/g" |\
-		sed "s/#EMAIL#/$DEFAULT_EMAIL/g" |\
-		sed "s/#SEMESTER#/$SEMESTER/g" >> $project/$FILE_STUDENTS
-	done
-	return 0
-}
-
+	# Source it !
+	source $DIR_EXAM_TEMPLATE/$FILE_PROJECT_BUILD
 
-function add_media_files() {
-  	verbose "Importing media files"
-	local project=$DIR_WORKSPACE/$DIR_PROJECTS/$1
-	cp $DIR_EXAM_TEMPLATE/media/* $project/media/
-}
+	# Check we now have a 'build_project' function
+	function_exists 'build_project'
+	if [ $? -ne 0 ]; then error "This template's build script ($DIR_EXAM_TEMPLATE/$FILE_PROJECT_BUILD) is not valid (no 'build_project' function)." ; return 1; fi
 
-
-function replace_in_file() {
-	local pattern=$1 string=$2 filename=$3
-	sed "s/$pattern/$string/g" $filename > /tmp/sed.tmp.$$
-	mv /tmp/sed.tmp.$$ $filename
-	return 0
-}
-
-function customize_tex_files() {
-  	verbose "Customizing LaTeX files"
-	local project=$DIR_WORKSPACE/$DIR_PROJECTS/$1
-	local exam=$DIR_WORKSPACE/$DIR_EXAMS/$1
-  	local lang=$2
-
-	local replace IFS=$'\n'
-	local FILE=$exam/$FILE_EXAM
-	check_file_exists $FILE
-	if [ $? -ne 0 ]; then return 1; fi
-  
-	# professor.tex
-	local prof_file=$project/professor.tex
-	check_file_exists $prof_file
-	if [ $? -ne 0 ]; then return 1; fi
-	for replace in $(cat $FILE); do
-		replace_in_file "#$(echo $replace | cut -d ':' -f 1)#" "$(echo $replace | cut -d ':' -f 2-)" $prof_file
-	done
-  
-	# exam.tex
-	replace_in_file "#LANG#" $(echo $lang | tr '[a-z]' '[A-Z]') $project/exam.tex
-  
-	# Add extra_section.tex file
-	if [ -r $exam/extra_section.tex ]; then
-		sed -i 's?% #EXTRA_SECTION#?\\input{./extra_section.tex}?g' $project/exam.tex
-	fi
-	# Add extra_packages.tex file
-	if [ -r $exam/extra_packages.tex ]; then
-		sed -i 's?% #EXTRA_PACKAGES#?\\input{./extra_packages.tex}?g' $project/exam.tex
-	fi
-
-	return 0
-}
-
-function override_tex_files() {
-  	verbose "Overriding LaTeX files (if needed)"
-	local exam=$DIR_WORKSPACE/$DIR_EXAMS/$1
-	local project=$DIR_WORKSPACE/$DIR_PROJECTS/$1
-	local f
-	for f in $(find $exam/ -type f -name '*.tex'); do
-		verbose "- LaTeX override file found: $f"
-	done
-	find $exam/ -type f -name '*.tex' -exec cp {} $project/ \;
-}
-
-function import_tex_files() {
-  	verbose "Importing LaTeX files"
-	local project=$DIR_WORKSPACE/$DIR_PROJECTS/$1
-  	local lang=$2
-	cp $DIR_EXAM_TEMPLATE/base/* $project/
-	cp $DIR_EXAM_TEMPLATE/$lang/* $project/
-	return 0
-}
-
-function build_amc_project() {
-	local project=$DIR_WORKSPACE/$DIR_PROJECTS/$1
-	verbose "Creating AMC project structure"
-	mkdir -p $project/cr/corrections/jpg
-	mkdir -p $project/cr/corrections/pdf
-	mkdir -p $project/cr/diagnostic
-	mkdir -p $project/cr/zooms
-	mkdir -p $project/data
-	mkdir -p $project/exports
-	mkdir -p $project/scans
-	mkdir -p $project/copies
-	mkdir -p $project/media
-	cp $DIR_EXAM_TEMPLATE/config/$FILE_AMC_OPTIONS $project/$FILE_AMC_OPTIONS
-	return $?
-}
-
-function get_exam_parameter() {
-	cat $DIR_WORKSPACE/$DIR_EXAMS/$1/$FILE_EXAM | grep "^$2:" | cut -d ':' -f 2-
-}
-
-function get_lang() {
-	get_exam_parameter $1 'LANG'
-}
-
-function build_sections() {
-	local project=$DIR_WORKSPACE/$DIR_PROJECTS/$1
-	local exam=$DIR_WORKSPACE/$DIR_EXAMS/$1
-	local lang=$2
-
-	local question_file question section_file section
-	local IFS=$'\n' FILE=$exam/$FILE_SECTIONS
-
-	verbose "Importing questions"
-	check_file_exists $FILE
-	if [ $? -ne 0 ]; then return 1; fi
-
-	local section_num=0
-	rm -f $project/sections.tex $project/random-sections.tex
-	for section in $(cat $FILE); do
-		((section_num++))
-		section_file=$project/section_${section_num}.tex
-		rm -f $section_file
-		for question in $(echo $section | tr ',' '\n'); do
-			verbose "Adding $question to section $section_file...";
-			question_file=$DIR_WORKSPACE/$DIR_QUESTIONS/$lang/$question
-			check_file_exists $question_file
-			if [ $? -ne 0 ]; then return 1; fi
-			echo "%% From $lang/$question =======================================" >> $section_file
-			echo '\element{section'$section_num'}{' >> $section_file
-			cat $question_file >> $section_file
-			echo '}' >> $section_file
-		done
-		echo "\input{./section_${section_num}.tex}" >> $project/sections.tex
-		echo "\input{./header_${section_num}.tex}
-\melangegroupe{section${section_num}}
-\restituegroupe{section${section_num}}
-" >> $project/random-sections.tex
+	# Good. Proceed.
+	verbose "Building projects using script '$DIR_EXAM_TEMPLATE/$FILE_PROJECT_BUILD'"
+	local exams=$@ exam lang rc=0
+	for exam in $(echo $exams); do
+		perma "Building project for exam '$exam'"
+		build_project $exam;
+		rc=$((rc+$?))
 	done
-	return 0
+	return $rc
 }
 
-
 # EOF
diff --git a/lib/bash/cmdline_parser.sh b/lib/bash/cmdline_parser.sh
index eeeafbc..3d5f146 100644
--- a/lib/bash/cmdline_parser.sh
+++ b/lib/bash/cmdline_parser.sh
@@ -1,109 +1,129 @@
 #!/bin/bash
 
-# Command line parser
+# Reusable command line parser
 # USAGE: [in the calling script]
-# 1) set the global variables: $DEFAULT_ITEMS and $DEFAULT_ACTIONS
+# 1) set the global variables: $DEFAULT_ITEMS, $DEFAULT_PARAMS and $DEFAULT_ACTIONS
 # 2) set the global variable: $CALLBACK_PREFIX (default: cb_ )
 # 3) implement each the callback: e.g. function cb_list() { ... } to implement the list action
 # 4) call: run $@
 
 ACTIONS=''
 PARAMS=''
 ITEMS=''
 CALLBACK_PREFIX=${CALLBACK_PREFIX:-cb_}
 
 function parse_args() {
 	while [ $# -gt 0 ]; do
 		case $1 in
 			"-o"|"--only")
 				shift
 				ITEMS=$1
 				shift
 				continue
 				;;
 			"-p"|"--params")
 				shift
 				PARAMS=$1
 				shift
 				continue
 				;;
 			*)
 				if [ -z "$ACTIONS" ]; then ACTIONS=$1; else ACTIONS="$ACTIONS $1"; fi
 				shift
 				;;
 		esac
 	done
 	
 	# Source local configuration (if any)
 	source_workspace_configuration
 
 	# Compute final ITEMS
 	if [ -z "$ITEMS" ]; then ITEMS=$(get_default_items); fi
 	if [ -z "$ITEMS" ]; then ITEMS='~no~items~'; fi
 
 	# Compute final ACTIONS
 	if [ -z "$ACTIONS" ]; then ACTIONS=$(get_default_actions); fi
 	if [ -z "$ACTIONS" ]; then ACTIONS='help'; fi
 
 	# Compute final PARAMS
 	PARAMS=$(echo $PARAMS,$(get_default_params) | tr "," "\n" | sort -u | grep -v '^$' | tr "\n" "," | sed 's/,$//')
 	
 	debug "End of command line parsing. ACTIONS: '$ACTIONS' | ITEMS: '$ITEMS' | PARAMS: '$PARAMS'"
 }
 
 function get_items() {
 	echo "$ITEMS" | sed "s/,/\n/g"
 }
 
 function get_actions() {
 	echo "$ACTIONS" | sed "s/ /\n/g"
 }
 
 function get_params() {
 	echo "$PARAMS" | sed "s/,/\n/g"
 }
 
 function get_parameter() {
 	key=$1
 	# Key alone
 	line=$(echo $PARAMS | sed "s/,/\n/g" | grep "^$key$")
 	if [ -n "$line" ]; then echo "set"; return; fi
 	# Key + value
 	line=$(echo $PARAMS | sed "s/,/\n/g" | grep "^$key=" | cut -d '=' -f 2-)
 	if [ -n "$line" ]; then echo $line; return; fi
 	# unset
 	echo "unset"
 }
 
 function is_set() {
 	param=$1
 	value=$(get_parameter $param)
 	if [ "$value" != "unset" ]; then return 1; else return 0; fi
 }
 
 function run() {
 	local action
 	local item
 	local rc=0
 	parse_args $@
 	for action in $(get_actions); do
 		debug "Running action '$action'"
 		action_switch $action $item
 		rc=$((rc+$?))
 	done
 	return $rc
 }
 
 function get_default_items() {
 	echo $DEFAULT_ITEMS
 }
 
 function get_default_params() {
 	echo $DEFAULT_PARAMS
 }
 
 function get_default_actions() {
 	echo $DEFAULT_ACTIONS
 }
 
+function check_action() {
+	function_exists $1
+	return $?
+}
+
+function action_switch() {
+	local action=$1
+	local function_to_call="${CALLBACK_PREFIX}${action}"
+	check_action $function_to_call
+	if [ $? -eq 0 ]; then
+		debug "Calling action '$action' => '$function_to_call' on item(s) '$(get_items)'"
+		$function_to_call $(get_items)
+		return $?
+	else
+		error "invalid action: '$action' => '${CALLBACK_PREFIX}${action}' (not implemented ?)"
+		return 1
+	fi
+	return 0
+}
+
 # EOF
diff --git a/lib/bash/debugging.sh b/lib/bash/debugging.sh
index f27af71..10c83e5 100644
--- a/lib/bash/debugging.sh
+++ b/lib/bash/debugging.sh
@@ -1,30 +1,34 @@
 #!/bin/bash
 
 function error() {
 	error_echo $@
 }
 
 function warn() {
 	warning_echo $@
 }
 
 function debug() {
 	is_set debug
 	if [ $? -eq 1 ]; then debug_echo $@; fi
 }
 
+function perma() {
+	color_echo "${Green}*${NoColor} "$@
+}
+
 function verbose() {
 	is_set verbose
-	if [ $? -eq 1 ]; then color_echo "${Green}*${NoColor} "$@; fi
+	if [ $? -eq 1 ]; then echo "  "$@; fi
 }
 
 function check_file_exists() {
 	if [ -r $1 ]; then
 		return 0
 	else
 		error "File not found: $1"
 		return 1
 	fi
 }
 
 # EOF
diff --git a/lib/bash/io.sh b/lib/bash/io.sh
index 072afc7..8d64774 100644
--- a/lib/bash/io.sh
+++ b/lib/bash/io.sh
@@ -1,70 +1,64 @@
 #!/bin/bash
 
 function color_echo() {
 	echo -e "$@"
 }
 
 function color_echo_n() {
 	echo -en "$@"
 }
 
 function debug_echo() {
 	color_echo "${White}DEBUG:${NoColor} $@"
 }
 
 function warning_echo() {
 	color_echo "${Yellow}WARNING:${NoColor} $@" 1>&2
 }
 
 function error_echo() {
 	color_echo "${Red}ERROR:${NoColor} $@" 1>&2
 }
 
 function info_echo() {
 	color_echo "${Green}INFO:${NoColor} $@"
 }
 
 function OK_echo() {
 	color_echo "${Green}OK${NoColor}"
 }
 
 function KO_echo() {
 	color_echo "${Red}KO${NoColor}"
 }
 
 function check_rc_echo {
 	if [ $1 -eq 0 ]; then OK_echo; return 0; else KO_echo; return 1; fi
 }
 
-function function_exists() {
-	function_to_test=$1
-	function_exists=$(type "$function_to_test" 2>&1 | grep -c "$function_to_test"' is a function');
-	if [ $function_exists -eq 1 ]; then return 1; else return 0; fi
-}
-
 function confirm() {
 	function_exists get_parameter
-	if [ $? -eq 1 ]; then
+	if [ $? -eq 0 ]; then
 		forced=$(get_parameter 'force');
 		if [ "$forced" == "set" ]; then
 			return 1
 		fi
 	fi
 	color_echo "${White}Confirmation requested:${NoColor}"
 	color_echo "$@"
 	color_echo_n "Press ${Green}Y${NoColor}(es) to confirm or ${Red}ENTER${NoColor} to cancel. >>> "
 	local ans
 	read ans
 	case $ans in
 		Y|y|Yes|YES|yes)
 			color_echo "${Green}Confirmed.${NoColor}"
 			return 1
 			break;;
 		*)
 			color_echo "${Red}Cancelled.${NoColor}"
 			return 0
 			break;;
 	esac
 }
 
 # EOF
diff --git a/lib/bash/tools.sh b/lib/bash/tools.sh
index f6165c7..4043555 100644
--- a/lib/bash/tools.sh
+++ b/lib/bash/tools.sh
@@ -1,35 +1,43 @@
 #!/bin/bash
 
+function function_exists() {
+	if [ $(type "$1" 2>&1 | grep -c "$1"' is a function') -eq 1 ]; then
+		return 0
+	else
+		return 1
+	fi
+}
+
 function check_OS() {
 	OS=$(uname | tr "[A-Z]" "[a-z]")
 	if [ "$OS" == "linux" ]; then return 0; fi
 	OS="unknown"
 	return 1
 }
 
 function check_OS_subtype() {
 	OS_SUBTYPE="unknown"
 	if [ -r /etc/gentoo-release ]; then OS_SUBTYPE="gentoo"; return 0; fi
 	return 1
 }
 
 function check_AMC_version() {
 	AMC_VERSION="unknown"
 	which auto-multiple-choice > /dev/null 2>&1
 	if [ $? -gt 0 ]; then
 		AMC_VERSION="none"
 		return 1
 	fi
 
 	case $OS in
 	 "linux")
 	 	case $OS_SUBTYPE in
 		"gentoo")
 			AMC_VERSION=$(eix --xml auto-multiple-choice | grep 'installed="1"' | tr " " "\n" | grep '^id' | cut -d '"' -f 2)
 			return 0;;
 		esac
 	esac
 	return 1
 }
 
 # EOF