From: haberg-news@telia.com   
      
   On 2017/02/27 05:53, chano wrote:   
   > is there any guideline document on simple lexer or parser on the internet?   
      
   Bison has a simple calculator which is good to start with, available   
   both in C and C++, also described in the manual.   
      https://www.gnu.org/software/bison/   
      
   > I try to build routine to parse simple < data, data, data > format and I   
   > find it it's no easy task   
      
   If it is very simple, some other computer facility might suffice.   
      
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