3,045
edits
Changes
From Genome Analysis Wiki
Jump to navigationJump to searchC++ Class: InputFile (view source)
Revision as of 17:26, 29 September 2010
, 17:26, 29 September 2010→Example
=== Example ===
<source lang="cpp">
<source lang="cpp">
// specify to open stdin for read.
// replace the - with a filename in order to read from a file.
const char* filename = "-";
const char* filename = "-";
IFILE myFilePtr = ifopen(filename, "rb", InputFile::BGZF);
IFILE myFilePtr = ifopen(filename, "rb", InputFile::BGZF);
if (myFilePtr != NULL)
{
std::cerr << "Failed to open the file\n";
}
else
{
// File was successfully opened.
// Read the magic string.
char magic[4];
if(ifread(myFilePtr, magic, 4) != 4)
{
std::cerr << "Could not read 4 bytes from the file\n";
}
ifclose(myFilePtr);
myFilePtr = NULL;
}
</source>
</source>
