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/**
* Copyright (c) 2012, OpenGeoSys Community (http://www.opengeosys.org)
* Distributed under a Modified BSD License.
* See accompanying file LICENSE.txt or
* http://www.opengeosys.org/project/license
*
*
* \file FileTools.cpp
*
* Created on 2010-04-26 by Lars Bilke
*
*/
#include "FileTools.h"
#include <sys/stat.h>
namespace BaseLib
{
/**
* Returns true if given file exists. From http://www.techbytes.ca/techbyte103.html
*/
bool IsFileExisting(const std::string &strFilename)
{
struct stat stFileInfo;
bool blnReturn;
int intStat;
// Attempt to get the file attributes
intStat = stat(strFilename.c_str(),&stFileInfo);
if(intStat == 0)
{
// We were able to get the file attributes
// so the file obviously exists.
blnReturn = true;
}
else
{
// We were not able to get the file attributes.
// This may mean that we don't have permission to
// access the folder which contains this file. If you
// need to do that level of checking, lookup the
// return values of stat which will give you
// more details on why stat failed.
blnReturn = false;
}
return(blnReturn);
}
/**
* \brief truncate a file
*/
void truncateFile( std::string const& filename)
{
std::ofstream ofs(filename.c_str(), std::ios_base::trunc);
ofs.close();
}
} // end namespace BaseLib