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Code from lecture

https://github.com/ucsb-cs16-f18-mirza/cs16-f18-lectures/tree/master/lec-06

Topics

File I/O basics

• Intro to lab03
• Examining text files using 1) an editor 2) cat command
• Opening a file: open()
• Reading a line from a file: getline()
• Reading until the end of file is reached
• Detecting failures
• Printing error messages to standard error with cerr
• When do we use exit() and why?

Data representation

• How is data (numbers for now) represented in memory?
• Positional encoding (Decimal, Binary, Hex,…any base)
• Number conversions
• Big idea:
  • Bits can represent anything!
  • Data is stored in memory using finite number of bits (use this to determine range of values that can be stored in any type)