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Learn Red ? Fundamentals of Red
book

Learn Red ? Fundamentals of Red

by Ivo Balbaert
May 2018
Beginner content levelBeginner
252 pages
6h 19m
English
Packt Publishing
Content preview from Learn Red ? Fundamentals of Red

Questions

  1. Write the contents of the contacts series out to a contacts3.txt  file with /lines. What is different now? 
  2. Try out write/part with 20 as an argument. What does it do?
  3. write/seek %file new-text n (where n is a number) is used to replace the text in %file starting at position n+1. Try this out for the contacts series and replace John in the first item with Adam.
  4. Use save and load to store and read our contacts series in a file.
  5. Rewrite the appin function with a copy "" and call it several times to see the difference.
  6. Write a script to ask the user the currency and the format type she/he is interested in (XML or JSON). Here, you have to use the http://www.floatrates.com/daily/USD.xml format, which doesn't use query string parameters. ...
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Publisher Resources

ISBN: 9781789130706Supplemental Content