public async Task <string> ExtractTextAsync(string fileName)
{
var temp = LibUtils.RandomTempFile("txt");
var args = ParseParameters();
args.Add(LibUtils.QuotedStr(fileName));
args.Add(LibUtils.QuotedStr(temp));
var programName = LibUtils.GetProgramName(ProgramBaseName);
var fullArgs = LibUtils.ParseParameters(args);
var workDir = LibUtils.WorkDirectory;
await CustomProcess.RunProcessAsync(programName, fullArgs, workDir);
if (!File.Exists(temp))
{
return(string.Empty);
}
var text = await File.ReadAllTextAsync(temp);
File.Delete(temp);
return(text);
}