--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/build_matrix.R	Thu Aug 10 12:34:42 2017 -0400
@@ -0,0 +1,20 @@
+#!/usr/bin/env Rscript
+
+suppressPackageStartupMessages(library("optparse"))
+
+option_list <- list(
+    make_option(c("-i", "--input"), action="store", dest="input", help="Input .bed.gz file produced by prepMat"),
+    make_option(c("-o", "--output"), action="store", dest="output", help="Output file"),
+    make_option(c("-w", "--work_dir"), action="store", dest="work_dir", help="Working directory"),
+)
+
+parser <- OptionParser(usage="%prog [options] file", option_list=option_list)
+args <- parse_args(parser, positional_arguments=TRUE)
+opt <- args$options
+
+input_dir = paste(opt$work_dir, "Input/", sep="");
+r_matrix = as.matrix(read.table(opt$input));
+status = match(r_matrix[,3], missing); 
+r_matrix[,3] = paste(input_dir, r_matrix[,1], ".", r_matrix[,2], ".bed.gz", sep="");
+r_matrix = r_matrix[is.na(status)==T,];
+write.table(array(r_matrix, dim = c(length(r_matrix) / 3, 3)), opt$output, quote=F, row.names=F, col.names=F);