Write a LEX input file to generate programs that can calculate characters, words and rows of text files, and can report these numbers. Words are sequences of letters and numbers without punctuation or blanks. Punctuation and blank spaces are not counted as words.

Filename	Size	Update
count	19924	2018-03-18
lex.yy.c	44194	2018-03-18
实验1报告_3150104650_王淼.pdf	256168	2018-03-18
__MACOSX	0	2018-03-18
__MACOSX\._实验1报告_3150104650_王淼.pdf	210	2018-03-18
count.lex	372	2018-03-18

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．