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Update pipe-ipc.js
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lib/pipe-ipc.js
215
lib/pipe-ipc.js
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@ -1,4 +1,5 @@
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// pipe-ipc.js
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// https://github.com/gnh1201/welsonjs
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var STD = require("lib/std");
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@ -6,77 +7,234 @@ var STD = require("lib/std");
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var ForReading = 1;
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var ForWriting = 2;
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var ForAppending = 8;
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var TristateUseDefault = -2;
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var TristateTrue = -1;
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var TristateFalse = 0;
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// https://learn.microsoft.com/en-us/office/client-developer/access/desktop-database-reference/streamtypeenum
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var adTypeBinary = 1;
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var adTypeText = 2;
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// https://learn.microsoft.com/ko-kr/sql/ado/reference/ado-api/saveoptionsenum?view=sql-server-ver16
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var adSaveCreateNotExist = 1;
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var adSaveCreateOverWrite = 2;
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// https://learn.microsoft.com/en-us/sql/ado/reference/ado-api/connectmodeenum?view=sql-server-ver16
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var adModeRead = 1;
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var adModeReadWrite = 3;
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var adModeRecursive = 0x400000;
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var adModeShareDenyNone = 16;
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var adModeShareDenyRead = 4;
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var adModeShareDenyWrite = 8;
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var adModeShareExclusive = 12;
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var adModeUnknown = 0;
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var adModeWrite = 2;
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// https://learn.microsoft.com/en-us/previous-versions/exchange-server/exchange-10/ms527267(v=exchg.10)
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// https://learn.microsoft.com/en-us/previous-versions/exchange-server/exchange-10/ms526296(v=exchg.10)
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var CdoBIG5 = "big5";
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var CdoEUC_JP = "euc-jp";
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var CdoEUC_KR = "euc-kr";
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var CdoGB2312 = "gb2312";
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var CdoISO_2022_JP = "iso-2022-jp";
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var CdoISO_2022_KR = "iso-2022-kr";
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var CdoISO_8859_1 = "iso-8859-1";
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var CdoISO_8859_2 = "iso-8859-2";
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var CdoISO_8859_3 = "iso-8859-3";
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var CdoISO_8859_4 = "iso-8859-4";
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var CdoISO_8859_5 = "iso-8859-5";
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var CdoISO_8859_6 = "iso-8859-6";
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var CdoISO_8859_7 = "iso-8859-7";
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var CdoISO_8859_8 = "iso-8859-8";
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var CdoISO_8859_9 = "iso-8859-9";
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var cdoKOI8_R = "koi8-r";
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var cdoShift_JIS = "shift-jis";
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var CdoUS_ASCII = "us-ascii";
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var CdoUTF_7 = "utf-7";
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var CdoUTF_8 = "utf-8";
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function PipeIPC() {
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this.path = "\\.\pipe\:path";
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var EOL = "\r\n";
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this.path = "data\\.pipe_:pipename";
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this.reader = null;
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this.writer = null;
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this.recorder = null;
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this.savefile = null;
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this.tmpfile = null;
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this.charset = CdoUTF_8;
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this.lastReadTime = -1;
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this.lastWriteTime = -1;
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this.connect = function(path, callback) {
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this.path = this.path.replace(":path", path);
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//this.createWriter();
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this.createReader();
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this.getCurrentTime = function() {
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return new Date().getTime();
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};
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this.setCharset = function(charset) {
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this.charset = charset;
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};
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this.connect = function(pipename, callback) {
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this.path = this.path.replace(":pipename", pipename);
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//this.openWriter();
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this.openReader();
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if (typeof callback === "function") {
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callback(this, this.reader, this.writer);
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}
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return this;
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};
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this.createWriter = function(iomode) {
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//this.writer = CreateObject("Scripting.FileSystemObject").CreateTextFile(this.path, true, true);
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this.writer = CreateObject("Scripting.FileSystemObject").OpenTextFile(this.path, iomode, true, TristateTrue);
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this.openWriter = function(iomode) {
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while (this.writer == null) {
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try {
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this.writer = CreateObject("Scripting.FileSystemObject").OpenTextFile(this.path, iomode, true, TristateTrue);
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} catch (e) {}
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}
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};
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this.closeWriter = function() {
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this.writer.Close();
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this.writer = null;
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if (this.writer != null) {
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this.writer.Close();
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this.writer = null;
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}
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};
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this.createReader = function() {
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this.reader = CreateObject("Scripting.FileSystemObject").OpenTextFile(this.path, ForReading, true, TristateTrue);
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this.openReader = function() {
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while (this.reader == null) {
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try {
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this.reader = CreateObject("Scripting.FileSystemObject").OpenTextFile(this.path, ForReading, true, TristateTrue);
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} catch (e) {}
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}
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};
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this.closeReader = function() {
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this.reader.Close();
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this.reader = null;
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if (this.reader != null) {
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this.reader.Close();
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this.reader = null;
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}
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};
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this.startRecorder = function(filename) {
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this.savefile = filename;
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this.tmpfile = this.savefile + ".tmp";
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this.openRecorder();
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};
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this.stopRecorder = function() {
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this.savefile = null;
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this.tmpfile = null;
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};
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this.openRecorder = function() {
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while (this.recorder == null) {
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try {
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this.recorder = CreateObject("Scripting.FileSystemObject").OpenTextFile(this.tmpfile, ForAppending, true, TristateTrue);
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} catch (e) {}
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}
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};
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this.closeRecorder = function() {
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if (this.recorder != null) {
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this.recorder.Close();
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this.recorder = null;
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}
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};
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this._write = function(message) {
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this.writer.Write(message);
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this.writer.Write(message + EOL);
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};
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this.write = function(message) {
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var isWritten = false;
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if (this.savefile != null) {
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this.record(message);
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}
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var isWritten = false;
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while (!isWritten) {
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try {
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this.flush();
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this.createWriter(ForAppending);
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this.openWriter(ForAppending);
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this._write(message);
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this.writer.Close();
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this.closeWriter();
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isWritten = true;
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this.lastWriteTime = this.getCurrentTime();
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} catch (e) {
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this.closeWriter();
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isWritten = false;
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}
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}
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return isWritten;
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};
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this._record = function(message) {
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this.recorder.Write(message);
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};
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this.record = function(message) {
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var commit = function(src, dst, charset) {
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// Open a temporary file
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var fso = CreateObject("Scripting.FileSystemObject").OpenTextFile(src, ForReading, true, TristateTrue);
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var str = fso.ReadAll();
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var StripBOM = function(adoObj) {
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var newAdoObj = CreateObject("ADODB.Stream");
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newAdoObj.Type = adTypeBinary;
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newAdoObj.Mode = adModeReadWrite;
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newAdoObj.Open();
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adoObj.Position = 3;
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adoObj.CopyTo(newAdoObj);
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adoObj.Flush();
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//adoObj.Close();
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return newAdoObj;
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};
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// Convert UTF-16 BOM to UTF-8
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var ado = CreateObject("ADODB.Stream");
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ado.Type = adTypeText;
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ado.Charset = charset;
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ado.Open();
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ado.WriteText(str);
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StripBOM(ado).SaveToFile(dst, adSaveCreateOverWrite);
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//ado.SaveToFile(savefile, adSaveCreateOverWrite);
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ado.Close();
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// Close a temporary file
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fso.Close();
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};
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var isRecorded = false;
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while (!isRecorded) {
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try {
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this.openRecorder();
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this._record(message);
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this.closeRecorder();
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commit(this.tmpfile, this.savefile, this.charset);
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isRecorded = true;
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} catch (e) {
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//console.log(e.message);
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this.closeRecorder();
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isRecorded = false;
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}
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}
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return isRecorded;
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};
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this.flush = function() {
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var isFlushed = false;
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while (!isFlushed) {
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try {
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this.createWriter(ForWriting);
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this._write("");
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this.writer.Close();
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this.openWriter(ForWriting);
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this._write('');
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this.closeWriter();
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isFlushed = true;
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} catch (e) {
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isFlushed = false;
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}
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}
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return isFlushed;
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};
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this._read = function() {
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@ -91,9 +249,10 @@ function PipeIPC() {
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try {
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text += this._read();
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isRead = true;
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this.lastReadTime = this.getCurrentTime();
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} catch (e) {
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this.closeReader();
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this.createReader();
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this.openReader();
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}
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}
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@ -103,18 +262,24 @@ function PipeIPC() {
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this.close = function() {
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this.closeWriter();
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this.closeReader();
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this.closeRecorder();
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};
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}
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exports.create = function() {
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return new PipeIPC();
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};
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exports.connect = function(path, callback) {
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return exports.create().connect(path, callback);
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};
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exports.ForReading = ForReading;
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exports.ForWriting = ForWriting;
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exports.ForAppending = ForAppending;
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exports.VERSIONINFO = "PIPE-based IPC Module (pipe-ipc.js) version 0.1.3";
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exports.VERSIONINFO = "PIPE-based IPC Module (pipe-ipc.js) version 0.1.4";
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exports.AUTHOR = "abuse@catswords.net";
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exports.global = global;
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exports.require = require;
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