Paul, You'll be pleased to learn that NAnt 0.85 will support filterchains : http://nant.sourceforge.net/nightly/help/types/filterchain.html
You can download a recent nightly build to give it a spin (http://nant.sourceforge.net/nightly/builds). Gert ----- Original Message ----- From: "Hounshell, Paul" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, July 28, 2004 6:59 PM Subject: [nant-dev] Suggestion: Copy Filter > I was looking through the documentation and couldn't find a feature that we > use at our company. We've got a Java/.NET environment and the corporate > gods are trying to homogenize the two. > > > > The Java programmers build up a config file using keywords in curly braces > as placeholders for values. The values are then filled in during build with > values from properties files. I extruded a couple things into the .NET > world and ended up with this: > > > > > > conf\app.config: > > > > <configuration> > > <add key="ServerURL" value="{SERVER_URL}"/> > > <add key="Timeout" value="1000"/> > > </configuration> > > > > > > > > conf\qa.properties > > > > SERVER_URL=http://qa.server.com/ > > > > > > > > conf\prod.properties > > > > SERVER_URL=http://www.server.com > > > > > > > > nant.build > > > > <property name="env" value="qa"/> > > ... > > <copy file="conf\app.config" tofile="bin\app.config" > filter="conf\filters\${env}.properties"/> > > > > > > The resulting filtered file would be filled in with the appropriate URL > during the build. > > > > I actually went through and coded this in NANT.Core\Tasks\CopyTask.cs in a > nightly build of NAnt. Unfortunately I was working with a slightly old > version (5/25/2004) and don't know if the file has changed since. The > resulting file is attached, and additions are highlighted below. I think I > followed coding conventions correctly. > > > > I just want to know what to do to get this included so that I can keep > getting new builds and ultimately the next release. > > > > Thanks, > > > > > > > > [CopyTask.cs Modifications] > > > > Line 80 - Added class members: > > private string _filterFile; > > private Hashtable _filterMap = new Hashtable(); > > > > Line 167 - Added class property: > > /// <summary> > > /// The file containing the filters used when copying files. > > /// </summary> > > [TaskAttribute("filter")] > > public string FilterFile { > > get { return _filterFile; } > > set { _filterFile = > StringUtils.ConvertEmptyToNull(value); } > > } > > > > Line 252 - Added to void InitializeTask(XmlNode): > > if (FilterFile != null) { > > try { > > FileStream Filters = new > FileStream(FilterFile, FileMode.Open, FileAccess.Read); > > StreamReader FilterReader = new > StreamReader(Filters); > > string FilterData = > FilterReader.ReadToEnd(); > > Filters.Close(); > > > System.Text.RegularExpressions.MatchCollection AllFilterPairs = > System.Text.RegularExpressions.Regex.Matches(FilterData, > @"(?<filter>.+)=(?<value>.+)"); > > foreach > (System.Text.RegularExpressions.Match FilterPair in AllFilterPairs) > > > _filterMap.Add(FilterPair.Groups["filter"].Value.Trim(), > FilterPair.Groups["value"].Value.Trim()); > > } > > catch (Exception exx) { > > throw new BuildException(exx.Message, > Location); > > } > > } > > > > Line 417 - Modified void DoFileOperations(): > > Was: > > File.Copy(sourceFile, destinationFile, true); > > Changed To: > > if (_filterMap.Count == 0) > > File.Copy(sourceFile, destinationFile, true); > > else { > > FileStream SourceFileStream = new > FileStream(sourceFile, FileMode.Open, FileAccess.Read); > > StreamReader SourceReader = new > StreamReader(SourceFileStream); > > string FileData = SourceReader.ReadToEnd(); > > SourceFileStream.Close(); > > > > foreach (System.Collections.DictionaryEntry Entry in > _filterMap) > > FileData = FileData.Replace("{" + > (string)Entry.Key + "}", (string)Entry.Value); > > > > FileStream DestinationFileStream = new > FileStream(destinationFile, FileMode.Create, FileAccess.Write); > > StreamWriter DestinationWriter = new > StreamWriter(DestinationFileStream); > > DestinationWriter.WriteLine(FileData); > > DestinationWriter.Flush(); > > DestinationWriter.Close(); > > } > > > > > > > > > > > > > > Paul Hounshell > Programmer Analyst > New York Mercantile Exchange > One North End Avenue > New York, NY 10282 > (212) 299-2650 > > > > > > > ----------------------------------------- > CONFIDENTIALITY NOTICE: This message and any attachments relate to the > official business of the New York Mercantile Exchange, Inc. 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