//  Copyright (c) 2005-2007 Andre Merzky (andre@merzky.net)
// 
//  Distributed under the Boost Software License, Version 1.0. (See accompanying 
//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#include "shell.hpp"

// open a file, and read chunks of data until we reach EOF, 
// printing the data found to stdout
void shell::c_cat (std::string args)
{
  // sanity checks
  if ( ! cwd_.exists (args) )
  {
    carp ("No such file: " + args);
    return;
  }

  if ( cwd_.is_dir (args) )
  {
    carp ("Cannot cat directory: " + args);
    return;
  }

  // open the file
  saga::file file = cwd_.open (args, saga::file::Read);

  while ( true )
  {
    int const n = 10;
    char data[n];

    for ( int i = 0; i <= n; ++i ) { data[i] = '\0'; }

    // read a chunk into the buffer
    if ( file.read (saga::buffer (data)) )
    {
      // show what we found
      std::cout << data;
    }
    else
    {
      break;
    }
  }

  // file closes when going out of scope
  return;
}