/// <summary>
/// From a given name, increment it
/// myFileAsset -> myFileAsset 1
/// myFileAsset 58 -> myFileAsset 59
/// </summary>
/// <param name="nameToIncrement">name to increment</param>
/// <param name="index">new index incremented</param>
/// <returns>new incremented name</returns>
public static string IncrementName(string nameToIncrement, out int index)
{
index = ExtString.ExtractIntFromEndOfString(nameToIncrement);
string nameWithoutNumber = nameToIncrement.Replace(index.ToString(), "");
nameWithoutNumber = nameWithoutNumber.TrimEnd(' ');
index += 1;
return(nameWithoutNumber + " " + index);
}
/// <summary>
/// from a given string, like: RaceTrack 102
/// extract the number 102 (int)
/// </summary>
/// <param name="input"></param>
/// <returns>number in the end of string</returns>
public static int ExtractIntFromEndOfString(string input)
{
var stack = new Stack <char>();
for (var i = input.Length - 1; i >= 0; i--)
{
if (!char.IsNumber(input[i]))
{
break;
}
stack.Push(input[i]);
}
string result = new string(stack.ToArray());
return(ExtString.ToInt(result));
}
/// <summary>
/// take a path of a file, increment his number in his name, test if it exist, and return the new path
///
/// use: string newFilePath = ExtString.RenameIncrementalFile(AssetDatabase.GetAssetPath(assetObject));
/// if you want to have only the name after, do:
/// string only name = Path.GetFileName(newFilePath);
///
/// return the renamed file asset like:
/// Asset/Folder/myFileAsset.asset -> Asset/Folder/myFileAsset 1.asset
/// Asset/Folder/myFileAsset 0.asset -> Asset/Folder/myFileAsset 1.asset
/// Asset/Folder/myFileAsset 58.asset -> Asset/Folder/myFileAsset 59.asset
/// Asset/Folder/myFileAsset58.asset -> Asset/Folder/myFileAsset 59.asset
/// asset 24.asset
/// </summary>
/// <param name="pathFileToRename">path of the file</param>
/// <param name="index">new index calculated</param>
/// <returns></returns>
public static string RenameIncrementalFile(string pathFileToRename, out int index, bool setZeroIfNothingFound)
{
string nameAsset = Path.GetFileNameWithoutExtension(pathFileToRename);
int numberPrevious = ExtString.ExtractIntFromEndOfString(nameAsset);
string nameWithoutNumber = nameAsset.Replace(numberPrevious.ToString(), "");
nameWithoutNumber = nameWithoutNumber.TrimEnd(' ');
string dirName = Path.GetDirectoryName(pathFileToRename).Replace('\\', '/') + '/';
string newName = "";
string finalRenamedPath = "";
index = numberPrevious;
do
{
if (index == 0)
{
if (setZeroIfNothingFound)
{
newName = nameWithoutNumber + " " + (index);
}
else
{
newName = nameWithoutNumber;
}
}
else
{
newName = nameWithoutNumber + " " + (index);
}
finalRenamedPath = dirName + newName + Path.GetExtension(pathFileToRename);
index++;
}while (File.Exists(finalRenamedPath) || Directory.Exists(finalRenamedPath));
return(finalRenamedPath);
}