// bamtools_count.cpp (c) 2010 Derek Barnett, Erik Garrison
// Marth Lab, Department of Biology, Boston College
// ---------------------------------------------------------------------------
-// Last modified: 7 April 2011
+// Last modified: 10 December 2012
// ---------------------------------------------------------------------------
// Prints alignment count for BAM file(s)
// ***************************************************************************
#include <utils/bamtools_utilities.h>
using namespace BamTools;
+#include <fstream>
#include <iostream>
#include <string>
#include <vector>
// flags
bool HasInput;
+ bool HasInputFilelist;
bool HasRegion;
// filenames
vector<string> InputFiles;
+ string InputFilelist;
string Region;
// constructor
CountSettings(void)
: HasInput(false)
+ , HasInputFilelist(false)
, HasRegion(false)
{ }
};
bool CountTool::CountToolPrivate::Run(void) {
- // if no '-in' args supplied, default to stdin
- if ( !m_settings->HasInput )
+ // set to default input if none provided
+ if ( !m_settings->HasInput && !m_settings->HasInputFilelist )
m_settings->InputFiles.push_back(Options::StandardIn());
+ // add files in the filelist to the input file list
+ if ( m_settings->HasInputFilelist ) {
+
+ ifstream filelist(m_settings->InputFilelist.c_str(), ios::in);
+ if ( !filelist.is_open() ) {
+ cerr << "bamtools count ERROR: could not open input BAM file list... Aborting." << endl;
+ return false;
+ }
+
+ string line;
+ while ( getline(filelist, line) )
+ m_settings->InputFiles.push_back(line);
+ }
+
// open reader without index
BamMultiReader reader;
if ( !reader.Open(m_settings->InputFiles) ) {
, m_impl(0)
{
// set program details
- Options::SetProgramInfo("bamtools count", "prints number of alignments in BAM file(s)", "[-in <filename> -in <filename> ...] [-region <REGION>]");
+ Options::SetProgramInfo("bamtools count", "prints number of alignments in BAM file(s)",
+ "[-in <filename> -in <filename> ... | -list <filelist>] [-region <REGION>]");
// set up options
OptionGroup* IO_Opts = Options::CreateOptionGroup("Input & Output");
Options::AddValueOption("-in", "BAM filename", "the input BAM file(s)", "", m_settings->HasInput, m_settings->InputFiles, IO_Opts, Options::StandardIn());
- Options::AddValueOption("-region", "REGION", "genomic region. Index file is recommended for better performance, and is used automatically if it exists. See \'bamtools help index\' for more details on creating one", "", m_settings->HasRegion, m_settings->Region, IO_Opts);
+ Options::AddValueOption("-list", "filename", "the input BAM file list, one line per file", "", m_settings->HasInputFilelist, m_settings->InputFilelist, IO_Opts);
+ Options::AddValueOption("-region", "REGION",
+ "genomic region. Index file is recommended for better performance, and is used automatically if it exists. See \'bamtools help index\' for more details on creating one",
+ "", m_settings->HasRegion, m_settings->Region, IO_Opts);
}
CountTool::~CountTool(void) {