#!/bin/bash

# Make sure that CROHMELibDir and LgEvalDir are defined in
# your shell enviroment, e.g. by including:
#	
#	export LgEvalDir=<path_to_LgEval>
#	export CROHMELibDir=<path_to_CROHMELib>       		
#	export PATH=$PATH:$CROHMELibDir/bin:$LgEvalDir/bin
# 
# in your .bashrc file (the initialization file for bash shell). The PATH
# alteration will add the tools to your search path. 

if [ $# -lt 2 ]
then
	echo "LgEval lg2lgtree: Label graph to Label graph tree converter "
	echo "Copyright (c) R. Zanibbi, H. Mouchere, 2012-2014"
	echo ""
	echo "Usage: lg2lgtree <indir> <outdir>"
	echo ""
	echo "Removes non-tree edges in all .lg files located in <indir>"
	echo "(assuming trees are present!)"
	echo ""
	echo "Converted .lg files are written to <outdir>."
	echo ""
	echo "Warning: this assumes that each node and edge has a single label."
		
	exit 0
fi

if [ ! -d $2 ]
then
	mkdir $2
fi

for file in $1/*.lg
do
	echo "Converting: $file"
	BASE=`basename $file`
	lgfilter $file $2/$BASE
done

echo "done."