1. file_read.py
2. file_search.py
3. for_file_read.py
4. using_readline.py

# Opens a file, reads it, and prints out its contents.
# by Sara Sprenkle

FILENAME="data/famous_pairs.txt"

# creates a new file object, opening the file in read mode
myFile = open(FILENAME, "r")

# read the file and put it into one string
contents = myFile.read()

# close the file when you're done reading the file
myFile.close()

# display the contents of the file
print(contents)

# Given a file and a term to search for,
# find which lines the term is on and the
# total number of lines that contained that term
# By CSCI 111

FILENAME="data/years.dat"

print("This program will find out how many lines the given search term")
print("is on in", FILENAME,"and show those lines")
print()
print("Looking at file", FILENAME)

# open the file for reading
fileobj = open(FILENAME, "r")

# get user input for this later:
searchFor = "Junior"

numSearchFor = 0
numLines = 0

# read through each line of file
for line in fileobj:
    line = line.rstrip()
    numLines += 1
    # does the line contain what we're searching for?
    if searchFor in line:
        # update the accumulator
        numSearchFor += 1
        print( numLines, line )
        
fileobj.close()
print()
print("I found", numSearchFor, searchFor, "in file.")

# Opens a file, reads the file one line at a time, and prints the
# contents
# by Sara Sprenkle

FILENAME="data/famous_pairs.txt"

# creates a new file object, opening the file in "read" mode
dataFile = open(FILENAME, "r")

# reads in the file line-by-line and prints the content of the file
for line in dataFile:
    #line = line.strip()
    print(line)

# close the file with the method "close"
dataFile.close()

# One way to use readline()
# by Sara Sprenkle

FILENAME="data/famous_pairs.txt"

# creates a new file object, opening the file in "read" mode
dataFile = open(FILENAME, "r")

# reads in the file line-by-line and prints the content of the file
line = dataFile.readline()

while line != "":
    print(line) # just to do something with that line.
    
    line = dataFile.readline()
    
# What happens when we try to read the next line, after we have already
# read through the file?
#line = dataFile.readline()
# Answer: That line is also an empty string:
#print(line)

# close the file with the method "close"
dataFile.close()