## Name: Vivek Babu G R
## Date: 26-07-2018
## Assignment: Sample 3
## Question: Write a program sumfile.py that takes a filename as argument and prints sum of all numbers in that file.
## It is assumed that the file will only have one number in every line.
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#!/usr/bin/python
import cat
fname = cat.get_file()
fd = cat.open_file(fname, 'r')
filesum = 0
for line in fd.readlines():
for word in line.strip().split(' '):
filesum += int(word)
cat.close_file(fd)
print(filesum)
def grep():
names = cat.get_files(2)
pattern = names[0]
fd = cat.open_file(names[1], 'r')
reg_pattern = re.compile(pattern)
return find_match_lines(fd, reg_pattern)