static void Main(string[] args)
{
CmdlineParser.Create("sample application", (parser) =>
{
var cmdConfig = parser.AddCommand("config", "configuration", (pConfig) =>
{
var cmdConfigShow = pConfig.AddCommand("show", "show current config");
var cmdConfigUpdate = pConfig.AddCommand("update", "update config item", (pConfigUpdate) =>
{
var param = pConfigUpdate.AddMandatoryParameter("var=value", "assign value to var");
pConfigUpdate.OnCmdlineMatch(() =>
{
System.Console.WriteLine($"setting [{(string)param}]");
});
});
pConfig.OnCmdlineMatch(() =>
{
if (cmdConfigShow)
{
System.Console.WriteLine($"showing configuration...");
}
});
});
parser.AddShort("h", "show usage", null, (item) => item.MatchParser.PrintUsage());
parser.OnCmdlineMatch(() =>
{
});
parser.Run(args);
});
}
static void Main(string[] args)
{
CmdlineParser.Create("shell utils", (parser) =>
{
parser.AddShortLong("h", "help", "show usage", null, (item) => item.MatchParser.PrintUsage());
ShellUtilities.RegisterReplaceToken(parser);
ShellUtilities.RegisterMatchRegex(parser);
ShellUtilities.RegisterAutoCPULimiter(parser);
ShellUtilities.RegisterGraphArea(parser);
ShellUtilities.RegisterLogic2FreqGraph(parser);
parser.OnCmdlineMatch(() =>
{
});
parser.Run(args);
}, useColors: true, unescapeArguments: true);
}
public void Run(string[] args)
{
var cts = new CancellationTokenSource();
ct = cts.Token;
Console.CancelKeyPress += (s, e) =>
{
e.Cancel = true;
cts.Cancel();
};
CmdlineParser.Create("Synchronize btrfs SOURCE filesystem with given TARGET.", (parser) =>
{
parser.AddShortLong("h", "help", "show usage", null, (item) => item.MatchParser.PrintUsage());
var dryRunMode = parser.AddShortLong("u", "dry-run", "list sync actions without apply (simulation mode)");
var skipSnapResync = parser.AddShortLong("n", "skip-snap-resync", "avoid resync existing subvolume snapshots");
var skipDeleteSubvol = parser.AddShortLong("s", "skip-del-subvol", "avoid to remove destination subvol not present in source");
var SourcePath = parser.AddMandatoryParameter("source", "source path");
var TargetPath = parser.AddMandatoryParameter("target", "target path");
parser.OnCmdlineMatch(() =>
{
Task.Run(async() =>
{
var runMode = RunMode.normal;
if (dryRunMode)
{
runMode = RunMode.dryRun;
}
await RunIt(runMode, SourcePath, TargetPath, skipSnapResync, skipDeleteSubvol);
}).Wait();
});
parser.Run(args);
});
}
static void Main(string[] args)
{
CmdlineParser.Create("clone disk reading parallel to write", (parser) =>
{
var nonInteractive = parser.AddLong("non-interactive", "doesn't prompt before to start");
var sourceDevParam = parser.AddMandatoryParameter("source", "source device");
var targetDevParam = parser.AddMandatoryParameter("target", "target device");
parser.OnCmdlineMatch(() =>
{
var sourceDevice = (string)sourceDevParam;
var destDevice = (string)targetDevParam;
if (!nonInteractive)
{
System.Console.WriteLine($"all content of device [{destDevice}] will overwritted");
System.Console.WriteLine($"press ctrl+c to abort");
Console.ReadKey();
}
int bucketCount = 8;
int bucketSize = 512 * 2 * 1024 * 64; // 64MB
byte[][] buckets = new byte[bucketCount][];
int[] bucketLength = new int[bucketCount];
for (int i = 0; i < bucketCount; ++i)
{
buckets[i] = new byte[bucketSize];
}
int readerNextBucket = 0;
int readerNextWriteWaitHandle = 0;
long readOffset = 0L;
WaitHandle[] readWaitHandles = new WaitHandle[bucketCount];
for (int i = 0; i < bucketCount; ++i)
{
readWaitHandles[i] = new AutoResetEvent(true);
}
int writerNextBucket = 0;
int writerNextReadWaitHandle = 0;
long writeOffset = 0L;
WaitHandle[] writeWaitHandles = new WaitHandle[bucketCount];
for (int i = 0; i < bucketCount; ++i)
{
writeWaitHandles[i] = new AutoResetEvent(false);
}
var sourceSize = GetDeviceSize(sourceDevice);
var destSize = GetDeviceSize(destDevice);
Console.WriteLine($"source disk = {sourceDevice} size = {sourceSize.HumanReadable()}");
Console.WriteLine($" dest disk = {destDevice}");
if (destSize < sourceSize)
{
Console.WriteLine($"can't fit source into dest device");
Environment.Exit(3);
}
var topCursor = 0;
Console.Clear();
var fsRead = File.OpenRead(sourceDevice);
fsRead.Seek(0, SeekOrigin.Begin);
var fsWrite = File.OpenWrite(destDevice);
fsWrite.Seek(0, SeekOrigin.Begin);
object guiLock = new object();
var taskReader = Task.Run(() =>
{
DateTime dtReadStart = DateTime.Now;
while (readOffset < sourceSize)
{
readWaitHandles[readerNextBucket].WaitOne(); // initially already signaled
var len = fsRead.Read(buckets[readerNextBucket], 0, bucketSize);
bucketLength[readerNextBucket] = len;
long speed = (long)((double)(readOffset + len) / (DateTime.Now - dtReadStart).TotalSeconds);
lock (guiLock)
{
Console.SetCursorPosition(0, topCursor);
Console.Write($"<=== read {len} bytes to bucket N. {readerNextBucket}");
Console.Write($" read offset [{readOffset.HumanReadable()}] speed = {speed.HumanReadable()}/s");
}
var writeEvt = (AutoResetEvent)writeWaitHandles[readerNextWriteWaitHandle];
readerNextWriteWaitHandle++;
writeEvt.Set();
if (readerNextWriteWaitHandle == bucketCount)
{
readerNextWriteWaitHandle = 0;
}
readOffset += len;
readerNextBucket++;
if (readerNextBucket == bucketCount)
{
readerNextBucket = 0;
}
}
});
var taskWriter = Task.Run(() =>
{
DateTime dtWriteStart = DateTime.Now;
while (writeOffset < sourceSize)
{
writeWaitHandles[writerNextBucket].WaitOne();
var len = bucketLength[writerNextBucket];
fsWrite.Write(buckets[writerNextBucket], 0, len);
long speed = (long)((double)(writeOffset + len) / (DateTime.Now - dtWriteStart).TotalSeconds);
lock (guiLock)
{
Console.SetCursorPosition(0, topCursor + 1);
Console.Write($"===> write {len} bytes to bucket N. {writerNextBucket}");
Console.Write($" write offset [{writeOffset.HumanReadable()}] speed = {speed.HumanReadable()}/s");
}
var readEvt = (AutoResetEvent)readWaitHandles[writerNextReadWaitHandle];
writerNextReadWaitHandle++;
readEvt.Set();
if (writerNextReadWaitHandle == bucketCount)
{
writerNextReadWaitHandle = 0;
}
writeOffset += len;
writerNextBucket++;
if (writerNextBucket == bucketCount)
{
writerNextBucket = 0;
}
}
});
Task.WaitAll(new Task[] { taskReader, taskWriter });
Console.SetCursorPosition(0, topCursor + 2);
Console.WriteLine("*** FINISHED ***");
});
parser.Run(args);
});
}
static void Main(string[] args)
{
CmdlineParser.Create("Shows only difference between files", (p) =>
{
var showStats = p.AddShortLong("s", "all-stats", "shows all stats informations");
var showDiff = p.AddShortLong("d", "show-differences", "shows characters difference");
var file1 = p.AddMandatoryParameter("file1", "first file");
var file2 = p.AddMandatoryParameter("file2", "second file");
p.OnCmdlineMatch(() =>
{
var charDiffers1 = 0;
var charDiffers2 = 0;
var maxChangeWidth = 0;
var lineDiffers1 = 0;
var lineDiffers2 = 0;
var totalLines1 = 0;
var totalLines2 = 0;
var filesize1 = new FileInfo(file1).Length;
var filesize2 = new FileInfo(file2).Length;
#region detect maxChangeWidth
{
using (var sr1 = new StreamReader(file1))
{
using (var sr2 = new StreamReader(file2))
{
// detect max change width
while (!sr1.EndOfStream && !sr2.EndOfStream)
{
var changed = 0;
var line1 = sr1.ReadLine();
var line2 = sr2.ReadLine();
++totalLines1;
++totalLines2;
var len1 = line1.Length;
var len2 = line2.Length;
var lenmax = Max(len1, len2);
int i1 = 0;
int i2 = 0;
while (true)
{
if (len1 == 0)
{
var r = len2 - i2 - 1;
changed += r;
charDiffers2 += r;
break;
}
else if (len2 == 0)
{
var r = len1 - i1 - 1;
changed += r;
charDiffers1 += r;
break;
}
if (line1[i1] != line2[i2])
{
++changed;
if (i1 < len1 - 1 && line1[i1 + 1] == line2[i2])
{
++charDiffers1;
++i1;
}
else if (i2 < len2 - 1 && line2[i2 + 1] == line1[i1])
{
++i2;
++charDiffers2;
}
else
{
++i1;
++i2;
++charDiffers1;
++charDiffers2;
}
}
else
{
++i1;
++i2;
}
if (i1 >= len1 && i2 >= len2)
{
break;
}
else if (i1 >= len1)
{
var r = len2 - i2 - 1;
changed += r;
charDiffers2 += r;
break;
}
else if (i2 >= len2)
{
var r = len1 - i1 - 1;
changed += r;
charDiffers1 += r;
break;
}
}
if (changed > 0)
{
++lineDiffers1;
++lineDiffers2;
}
maxChangeWidth = Max(maxChangeWidth, changed);
}
if (!sr1.EndOfStream)
{
while (!sr1.EndOfStream)
{
var line1 = sr1.ReadLine();
++totalLines1;
++lineDiffers1;
var len1 = line1.Length;
maxChangeWidth = Max(maxChangeWidth, len1);
charDiffers1 += len1;
}
}
if (!sr2.EndOfStream)
{
while (!sr2.EndOfStream)
{
var line2 = sr2.ReadLine();
++totalLines2;
++lineDiffers2;
var len2 = line2.Length;
maxChangeWidth = Max(maxChangeWidth, len2);
charDiffers2 += len2;
}
}
var tblOut = new List <List <string> >();
if (showStats)
{
tblOut.Add(new List <string>()
{
"max changed chars per line", maxChangeWidth.ToString(), maxChangeWidth.ToString()
});
tblOut.Add(new List <string>()
{
"size", filesize1.ToString(), filesize2.ToString()
});
tblOut.Add(new List <string>()
{
"lines", totalLines1.ToString(), totalLines2.ToString()
});
tblOut.Add(new List <string>()
{
"line differs", lineDiffers1.ToString(), lineDiffers2.ToString()
});
tblOut.Add(new List <string>()
{
"line differs (%)",
string.Format("{0:0.0}", (double)lineDiffers1 / totalLines1 * 100),
string.Format("{0:0.0}", (double)lineDiffers2 / totalLines2 * 100)
});
tblOut.Add(new List <string>()
{
"char differs", charDiffers1.ToString(), charDiffers2.ToString()
});
tblOut.Add(new List <string>()
{
"char differs (%)",
string.Format("{0:0.0}", (double)charDiffers1 / filesize1 * 100),
string.Format("{0:0.0}", (double)charDiffers2 / filesize2 * 100)
});
}
if (tblOut.Count > 0)
{
System.Console.WriteLine(tblOut.TableFormat(
new[]
{
"",
"file1",
"file2"
},
new[]
{
ColumnAlignment.left,
ColumnAlignment.right,
ColumnAlignment.right
}));
}
}
}
}
#endregion
#region show char changes
if (showDiff || p.Items.Count(w => w.Type == CmdlineParseItemType.flag && w.Matches) == 0)
{
using (var sr1 = new StreamReader(file1))
{
using (var sr2 = new StreamReader(file2))
{
var W = Max(maxChangeWidth, "fileX".Length);
var firstLine = true;
while (!sr1.EndOfStream && !sr2.EndOfStream)
{
var line1 = sr1.ReadLine();
var line2 = sr2.ReadLine();
var len1 = line1.Length;
var len2 = line2.Length;
var lenmax = Max(len1, len2);
var sb1 = new StringBuilder();
var sb2 = new StringBuilder();
int i1 = 0;
int i2 = 0;
while (true)
{
if (len1 == 0)
{
sb2.Append(line2.Substring(i2));
break;
}
else if (len2 == 0)
{
sb1.Append(line1.Substring(i1));
break;
}
if (line1[i1] != line2[i2])
{
if (i1 < len1 - 1 && line1[i1 + 1] == line2[i2])
{
sb1.Append(line1[i1]);
++i1;
}
else if (i2 < len2 - 1 && line2[i2 + 1] == line1[i1])
{
sb1.Append(line2[i2]);
++i2;
}
else
{
++i1;
++i2;
}
}
else
{
++i1;
++i2;
}
if (i1 >= len1 && i2 >= len2)
{
break;
}
else if (i1 >= len1)
{
sb2.Append(line2.Substring(i2));
break;
}
else if (i2 >= len2)
{
sb1.Append(line1.Substring(i1));
break;
}
}
if (firstLine)
{
System.Console.WriteLine($"{"file1".Align(W)} | {"file2".Align(W)}");
firstLine = false;
}
var s1 = sb1.ToString();
var s2 = sb2.ToString();
if (!string.IsNullOrWhiteSpace(s1) || !string.IsNullOrWhiteSpace(s2))
{
System.Console.WriteLine($"{s1.ToString().Align(W)} | {s2.ToString().Align(W)}");
}
}
if (!sr1.EndOfStream)
{
while (!sr1.EndOfStream)
{
var line1 = sr1.ReadLine();
System.Console.WriteLine($"{line1.Align(W)} |");
}
}
if (!sr2.EndOfStream)
{
while (!sr2.EndOfStream)
{
var line2 = sr2.ReadLine();
System.Console.WriteLine($"{(" ".Repeat(W))} | {line2}");
}
}
}
}
}
#endregion
});
p.Run(args);
});
}