import sys
print("This is the name of the script: ", sys.argv[0])
print("Number of arguments: ", len(sys.argv))
print("The arguments are: " , str(sys.argv))
if not len(sys.argv)==2:
print("usage: ./cat.py filename")
exit()
try:
file_h = open(sys.argv[1],"r")
file_content = file_h.read()
print(file_content)
except:
print("Does that file really exist?")