Deletes one or more files.
The name of a single file or a wildcard pattern such as C:\Temp\*.tmp. FilePattern is assumed to be in %A_WorkingDir% if an absolute path isn't specified.
To remove an entire folder, along with all its sub-folders and files, use FileRemoveDir.
ErrorLevel is set to 1 if there was a problem or 0 otherwise.
FileRecycle, FileRemoveDir, FileCopy, FileMove
FileDelete, C:\temp files\*.tmp