Hello Dave,
1) I'm using Python 2.7
2) The program wasn't suppose to really work, was just a example.
3) You assumed correct.
That's was what I looking for, worked like charm.
Thanks!
On Wed, Apr 17, 2013 at 5:18 PM, Dave Angel <da...@davea.name> wrote:
> On 04/17/2013 03:27 PM, Danilo Chilene wrote:
>
>> Dear Python Tutor,
>>
>> I have the code below(file.py):
>>
>> import sys
>>
>> a = 'This is A'
>> b = 'This is B'
>> c = 'This is C'
>>
>> for i in sys.argv[1]:
>> if sys.argv[1] == 'a':
>> print a
>> if sys.argv[1] == 'b':
>> print b
>> if sys.argv[1] == 'c':
>> print c
>>
>
> Since this is a loop, I'll assume that argv[1] was supposed to permit
> multiple characters. If so, your loop is buggy. And if not, then you
> don't want a loop.
>
>
>
>> I run python file.py a and returns the var a, so far so good.
>>
>
> What do you want to happen if you say
> python file.py ac
>
>
>
>
>> The problem is that i have a bunch of vars(like a to z), how I can handle
>> this in a pythonic way?
>>
>>
> Use a dictionary (dict). Instead of separate 'variables' use one dict.
> (With version 2.7)
>
> import sys
>
> mystrings = { "a" : "This is A",
> "b" : "This is B",
> "c" : "This is C",
> "d" : "This is some special case D",
> }
>
> for parm in sys.argv[1]:
> if parm in mystrings:
> print mystrings[parm]
> else:
> print "Invalid parm"
>
> If this isn't what you wanted, then you'll have to make it clearer.
>
> 1) tell us what version of python
> 2) supply us with a non-buggy program,
> 3) be much more specific about what change you want. You don't want more
> vars, you presumably want a way to avoid having more vars. Danny assumed
> you wanted those exact strings, for a, b, and c, while i assumed that those
> were just simple examples.
>
>
> --
> DaveA
>
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