Lab5 P1

# -*- coding: utf-8 -*-
"""
Created on Thu Mar 12 22:12:36 2020

The function isWordInFile(fileName, word), which
given a string, filename, and a string, word, checks whether or not word is in the file
named fileName.

@author Abdallah Wahidi
"""

"""
Checks whether or not 'word' is in the file named 'fileName'
"""
def isWordInFile(fileName, word):
    nameHandle = open(fileName, 'r')
    s = nameHandle.read()
    if word in s:
        print('True')
    else:
        print('False')
    nameHandle.close()

isWordInFile("test.txt", "Programming")
isWordInFile("test.txt", "programming")

"""
A variation of Part (a) which requires
reading the file line by line
"""
def wordSearch(fileName, word):
    nameHandle = open(fileName, 'r')
    i = 1
    for line in nameHandle:
        if word in line:
            print(i)
        i+=1
    nameHandle.close()
wordSearch("test.txt", 'Programming')


"""
Part C:the function duplicateLines(fileName), which given a string
fileName, opens the file named fileName for reading and creates a new file whose
content is like fileName but with all lines duplicated
"""

def duplicateLines(fileName):
    assert ".txt" in fileName, "The file is not a txt file"
    nameHandle = open(fileName, 'r')
    newFile = open("nameDuplicated.txt", 'w')
    for line in nameHandle:
        newFile.write(line)
        newFile.write(line)
    nameHandle.close()
    newFile.close()

duplicateLines("test.txt")