CS 2204: Homework #2

What to turn in: A legible paper copy giving your answers

Write egrep commands to operate on an this sample.txt file that catch the patterns specified. A correct answer finds ALL occurences of the specified pattern and nothing else.

1. (2 points) Find all lines containing US postal abbreviations for states (you can assume that a postal abbreviation is two uppercase letters).
2. (1 point) Find all lines listing US city references. A US city reference is like Portland, OR , i.e., a word, followed by a comma, a space, and then a two-letter state abbreviation.
3. (2 points) Find all lines listing university courses. A university course is a word, followed by a space, followed by exactly four digits.
4. (2 point) Find all lines containing formatted dollar amounts. These begin with a $ , followed by a whole dollar amount (i.e., a succession of one or more digits), then a period . , and finally, exactly two digits denoting the cents. Remember, that $ is a metacharacter, and therefore requires special treatment.
5. (2 points) Find all Russian last names in sample.txt. Russian last names end in 'ev', 'ov', 'off' or 'in'.
6. (1 point) Find all blank lines, i.e., lines containing nothing.