public Outcome <FileSplitInfo> Run(FileSplitSpec spec)
{
var writer = default(StreamWriter);
try
{
var flow = Wf.Running(Msg.SplittingFile.Format(spec.SourceFile.ToUri(), spec.MaxLineCount));
using var reader = spec.SourceFile.Reader();
var paths = root.list <FS.FilePath>();
var subcount = 0u;
var linecount = 0u;
var splitcount = 0u;
var emptycount = 0;
var emptylimit = 5;
var path = NextPath(spec, ref splitcount);
paths.Add(path);
writer = path.Writer();
var emitting = Wf.EmittingFile(path);
while (!reader.EndOfStream)
{
var line = reader.ReadLine();
if (text.empty(line))
{
emptycount++;
}
else
{
emptycount = 0;
}
if (emptycount > emptylimit)
{
continue;
}
writer.WriteLine(line);
subcount++;
if (subcount >= spec.MaxLineCount)
{
writer.Flush();
writer.Dispose();
Wf.EmittedFile(emitting, subcount);
path = NextPath(spec, ref splitcount);
paths.Add(path);
writer = path.Writer();
linecount += subcount;
subcount = 0;
}
}
Wf.Ran(flow, Msg.FinishedFileSplit.Format(linecount, spec.SourceFile.ToUri(), splitcount));
return(new FileSplitInfo(spec, paths.ToArray(), linecount));
}
catch (Exception e)
{
Wf.Error(e);
return(e);
}
finally
{
writer.Flush();
writer.Dispose();
}
}
public FileSplitInfo(FileSplitSpec spec, FS.Files dst, Count total)
{
Spec = spec;
TargetFiles = dst;
TotalLineCount = total;
}
