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61 lines (46 loc) · 1.85 KB
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# Script Name : check_file.py
# Author : Craig Richards
# Created : 20 May 2013
# Last Modified :
# Version : 1.0
# Modifications : with statement added to ensure correct file closure
# Description : Check a file exists and that we can read the file
from __future__ import print_function
import sys # Import the Modules
import os # Import the Modules
# Prints usage if not appropriate length of arguments are provided
def usage():
print('[-] Usage: python check_file.py [filename1] [filename2] ... [filenameN]')
# Readfile Functions which open the file that is passed to the script
def readfile(filename):
with open(filename, 'r') as f: # Ensure file is correctly closed under
file = f.read() # all circumstances
print(file)
print()
print('#'*80)
print()
def main():
# Check the arguments passed to the script
if len(sys.argv) >= 2:
filenames = sys.argv[1:]
# Iterate for each filename passed in command line argument
for filename in filenames:
if not os.path.isfile(filename): # Check the File exists
print('[-] ' + filename + ' does not exist.')
filenames.remove(filename) #remove non existing files from fileNames list
continue
# Check you can read the file
if not os.access(filename, os.R_OK):
print('[-] ' + filename + ' access denied')
# remove non readable fileNames
filenames.remove(filename)
continue
# Read the content of each file
for filename in filenames:
# Display Message and read the file contents
print('[+] Reading from : ' + filename)
readfile(filename)
else:
usage() # Print usage if not all parameters passed/Checked
if __name__ == '__main__':
main()