code: public String getFileNameWithoutSuffix( File texFile )
      {
          String nameTexFile = texFile.getName();
          String namePrefixTexFile = nameTexFile.substring( 0, nameTexFile.lastIndexOf( "." ) );
          return namePrefixTexFile;
      }
docs: /*
  (non-Javadoc)
  
  @see org.m2latex.mojo.TexFileUtils#getFileNameWithoutSuffix(java.io.File)