simple python question

hello everyone, I wrote a very simple python script to pipe into aircrack-ng. My question is how can i enter a variable on commencement?

or how can i make this work:

$ python3 script.py -p /usr/file/document.txt

so that the script can use the path i've entered.
I looked around a bit with google already but i could think of how to pose my question without this whole explanation.

-thanks much

Python is not my thing, so I won't answer straight out, but the term you are looking for is "command line argument". Usually pertaining to the argv variable.

Make sure you post back after you've googled so that others can learn, yes?

yeah posted similar post over on reddit - got the reply

Quote:

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sys.argv contains the arguments entered at the command line. You can also use a program like getopt that does most of the work for you.

---

and as Gitsnik stated a quick google search for:

"python command line arguments"

finds pretty much anything you need, i especially found the dive into python to be helpful, i can't post the link yet but for me at least it was the first one and was titled "5.12. Handling command line arguments" i'm sure searching that will get you there

Quote:

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Originally Posted by The Fool

finds pretty much anything you need, i especially found the dive into python to be helpful,

---

Dive Into Python

arg values are stored in sys.argv

Code:

---

###### script.py ######
import sys, curdir

flag =  ([])
flat_t = ( "" )

for arg in sys.argv:
    if (flag_t == true):
          flag.append(arg)
          break
    if "-p" in arg:
          flag_t = true
    if "|" in arg:
          print "Something went wrong. No flags found."
          break

if flag_t == "":
    print "there were no flags."
    sys.exit()

try:
    my_awesome_text = open(str(os.curdir) + str(flag.pop()), 'r')
except:
    print "didn't open that awesome text."
    sys.exit()

INPUT = my_awesome_text.readlines()
for password in INPUT:
    work your magic here

###### ######

---

import sys,optparse

parser = optparse.OptionParser(version="%prog 1.0")
parser.add_option('-p', action="store",dest="file",help="Document to parse")

if len(sys.argv)<2:
parser.print_help()
sys.exit(0)

(options, args)=parser.parse_args()
print "\nFILENAME is "+options.file

RESULTS:

test.py : will print autogenerated help
test.py -h or --help : will print autogenerated help

test.py --version : will print version string

test.py -p pathtotextfile : will print the filename (do what you want ....)

it also handle auto the lack of argument on an option
it also handle auto bad options ...

hope it helps