I know the problem is with the for loop but don't know how to fix. Any help
with explanation would be appreciated.
#!/bin/env python
import csv
import sys
if len(sys.argv) 3:
print('Please specify a filename and column number: {} [csvfile]
[column]'.format(sys.argv[0]))
sys.exit(1)
On 2013-12-11 11:10, brian cleere wrote:
filename = sys.argv[1]
column = int(sys.argv[2])
for line in filename() , column ():
elements = line.strip().split(',')
values.append(int(elements[col]))
1) you need to open the file
2) you need to make use of the csv module on that file
On Thu, Dec 12, 2013 at 6:10 AM, brian cleere briancle...@gmail.com wrote:
I know the problem is with the for loop but don't know how to fix. Any help
with explanation would be appreciated.
Your problem is akin to debugging an empty file :) It's not so much a
matter of fixing what's not
On 11/12/2013 19:10, brian cleere wrote:
I know the problem is with the for loop but don't know how to fix. Any help
with explanation would be appreciated.
#!/bin/env python
import csv
You never use the csv module.
import sys
if len(sys.argv) 3:
print('Please specify a filename and
On 11/12/2013 19:22, Chris Angelico wrote:
On Thu, Dec 12, 2013 at 6:10 AM, brian cleere briancle...@gmail.com wrote:
I know the problem is with the for loop but don't know how to fix. Any help
with explanation would be appreciated.
Your problem is akin to debugging an empty file :) It's not
On Thu, Dec 12, 2013 at 6:41 AM, Mark Lawrence breamore...@yahoo.co.uk wrote:
Square brackets in a usage description often mean optional. You may
want to be careful of that. There's no really good solution though.
There is, https://pypi.python.org/pypi/docopt/0.6.1 :)
That appears to use x
On 11/12/2013 19:46, Chris Angelico wrote:
On Thu, Dec 12, 2013 at 6:41 AM, Mark Lawrence breamore...@yahoo.co.uk wrote:
Square brackets in a usage description often mean optional. You may
want to be careful of that. There's no really good solution though.
There is,
On Thu, Dec 12, 2013 at 7:00 AM, Mark Lawrence breamore...@yahoo.co.uk wrote:
I use the alternative X for a mandatory argument X.
Also common, but how do you specify a keyword, then? Say you have a
command with subcommands:
$0 foo x y
Move the foo to (x,y)
$0 bar x y z
Go to bar X, order a Y,
On 2013-12-12 07:03, Chris Angelico wrote:
Also common, but how do you specify a keyword, then? Say you have a
command with subcommands:
$0 foo x y
Move the foo to (x,y)
$0 bar x y z
Go to bar X, order a Y, and Z it [eg 'compress', 'gzip', 'drink']
How do you show that x/y/z are
On 11/12/2013 20:03, Chris Angelico wrote:
On Thu, Dec 12, 2013 at 7:00 AM, Mark Lawrence breamore...@yahoo.co.uk wrote:
I use the alternative X for a mandatory argument X.
Also common, but how do you specify a keyword, then? Say you have a
command with subcommands:
$0 foo x y
Move the foo
On 12/11/2013 01:41 PM, Mark Lawrence wrote:
On 11/12/2013 19:22, Chris Angelico wrote:
There is, https://pypi.python.org/pypi/docopt/0.6.1 :)
+1 for docopt. It makes everything very clear. Just type out your usage
string, and then run docopt(usage_str) on it to get a dict of your args.
On 12/12/2013 03:10 AM, brian cleere wrote:
I know the problem is with the for loop but don't know how to fix. Any help
with explanation would be appreciated.
#!/bin/env python
import csv
import sys
if len(sys.argv) 3:
print('Please specify a filename and column number: {} [csvfile]
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