MQL4 Reference File Functions FileIsEnding
FileIsEnding
Defines the end of a file in the process of reading.
bool FileIsEnding(
int file_handle
); |
Parameters
file_handle
[in] File descriptor returned by FileOpen().
Return Value
Note
Example:
//--- show the window of input parameters when launching the script
#property script_show_inputs
//--- input parameters
input string InpFileName="file.txt"; // file name
input string InpDirectoryName="Data"; // directory name
input int InpEncodingType=FILE_ANSI; // ANSI=32 or UNICODE=64
//+------------------------------------------------------------------+
//| Script program start function |
//+------------------------------------------------------------------+
void OnStart()
{
//--- print the path to the file we are going to use
PrintFormat("Working %s\\Files\\ folder",TerminalInfoString(TERMINAL_DATA_PATH));
//--- reset the error value
ResetLastError();
//--- open the file for reading (if the file does not exist, the error will occur)
int file_handle=FileOpen(InpDirectoryName+"//"+InpFileName,FILE_READ|FILE_TXT|InpEncodingType);
if(file_handle!=INVALID_HANDLE)
{
//--- print the file contents
while(!FileIsEnding(file_handle))
Print(FileReadString(file_handle));
//--- close the file
FileClose(file_handle);
}
else
PrintFormat("Error, code = %d",GetLastError());
} |
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