Unlike Data: : Dumper, which I've used elsewhere in autotag.pl (sometimes needlessly, I must say), print_tag_info provides a nice, user-oriented printout of the hash tag elements.
The instrument can almost do every operation by itself, such as the control of experimental progress, data collection, data computation and the printout of experimental results.
The instrument as an intelligent automatic testing system possesses the following functions: automatic data processing, display, printout and storage etc.