| #------------------------------------------------------------- |
| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| # |
| #------------------------------------------------------------- |
| |
| args <- commandArgs(TRUE) |
| |
| library("Matrix") |
| options(digits=22) |
| |
| filename <- args[1] |
| dimensionality <- as.integer(args[2]) |
| sep <- args[3] |
| indSep <- args[4] |
| |
| if(sep == 'NULL'){ |
| sep=" " |
| } |
| |
| content = readLines( filename ) |
| num_lines = length( content ) |
| A = matrix( 0, num_lines, dimensionality + 1 ) |
| |
| # loop over lines |
| for ( i in 1:num_lines ) { |
| # split by sep |
| line = as.vector( strsplit( content[i], sep )[[1]]) |
| # save label |
| A[i,1] = as.numeric( line[[1]] ) |
| # loop over values |
| for ( j in 2:length( line )) { |
| # split by colon |
| index_value = strsplit( line[j], indSep )[[1]] |
| index = as.numeric( index_value[1] ) + 1 |
| value = as.numeric( index_value[2] ) |
| A[i, index] = value |
| } |
| } |
| A[is.na(A)] = 0 |
| A <- A+1 |
| x = sum(A) |
| write(x, args[5]) |
