/// <summary>
/// Creates a text file with the given contents. If the contents of the text file aren't changed, it won't write the new contents to
/// the file to avoid causing an action to be considered outdated.
/// </summary>
/// <param name="AbsolutePath">Path to the intermediate file to create</param>
/// <param name="Contents">Contents of the new file</param>
/// <returns>File item for the newly created file</returns>
public static FileItem CreateIntermediateTextFile(FileReference AbsolutePath, string Contents)
{
// Create the directory if it doesn't exist.
Directory.CreateDirectory(Path.GetDirectoryName(AbsolutePath.FullName));
// Only write the file if its contents have changed.
if (!FileReference.Exists(AbsolutePath))
{
File.WriteAllText(AbsolutePath.FullName, Contents, GetEncodingForString(Contents));
}
else
{
string CurrentContents = Utils.ReadAllText(AbsolutePath.FullName);
if (!String.Equals(CurrentContents, Contents, StringComparison.InvariantCultureIgnoreCase))
{
try
{
FileReference PrevAbsolutePath = new FileReference(AbsolutePath.FullName + ".prev");
FileReference.Delete(PrevAbsolutePath);
FileReference.Move(AbsolutePath, PrevAbsolutePath);
Log.TraceLog("Updating {0} - contents have changed (previous version renamed to {1}).", AbsolutePath.FullName, PrevAbsolutePath);
}
catch
{
Log.TraceLog("Updating {0} - contents have changed (unable to rename). Previous:\n {1}\nNew:\n {2}", AbsolutePath.FullName, CurrentContents.Replace("\n", "\n "), Contents.Replace("\n", "\n "));
}
File.WriteAllText(AbsolutePath.FullName, Contents, GetEncodingForString(Contents));
}
}
return(GetItemByFileReference(AbsolutePath));
}
/// <summary>
/// Creates a text file with the given contents. If the contents of the text file aren't changed, it won't write the new contents to
/// the file to avoid causing an action to be considered outdated.
/// </summary>
/// <param name="Location">Path to the intermediate file to create</param>
/// <param name="Contents">Contents of the new file</param>
/// <returns>File item for the newly created file</returns>
public static FileItem CreateIntermediateTextFile(FileReference Location, string Contents)
{
// Only write the file if its contents have changed.
if (!FileReference.Exists(Location))
{
DirectoryReference.CreateDirectory(Location.Directory);
FileReference.WriteAllText(Location, Contents, GetEncodingForString(Contents));
}
else
{
string CurrentContents = Utils.ReadAllText(Location.FullName);
if (!String.Equals(CurrentContents, Contents, StringComparison.InvariantCultureIgnoreCase))
{
FileReference BackupFile = new FileReference(Location.FullName + ".old");
try
{
Log.TraceLog("Updating {0}: contents have changed. Saving previous version to {1}.", Location, BackupFile);
FileReference.Delete(BackupFile);
FileReference.Move(Location, BackupFile);
}
catch (Exception Ex)
{
Log.TraceWarning("Unable to rename {0} to {1}", Location, BackupFile);
Log.TraceLog("{0}", ExceptionUtils.FormatExceptionDetails(Ex));
}
FileReference.WriteAllText(Location, Contents, GetEncodingForString(Contents));
}
}
// Reset the file info, in case it already knows about the old file
FileItem Item = GetItemByFileReference(Location);
Item.ResetCachedInfo();
return(Item);
}
