#!/bin/bash

# Written by Karolis Uziela in 2014

script_name=`basename $0`

if [ $# != 2 ] ; then
    echo "
Usage: 

$script_name <txt_file> <svm_light_file>

"
    exit 1
fi

input_file=$1
output_file=$2

awk '{printf $1" "  ; for (i = 2; i <= NF; i++) {printf i-1":"$i" "} ; print "" }' $input_file >$output_file