On 29 October 2012 06:06, Saad Javed <[email protected]> wrote:
> Hi,
>
> #!/usr/bin/env python
>
> import sys
>
> x = 'Saad is a boy'
>
> def main(x):
> a = []
> b = x.split(' ')
> for item in b:
> a.append(item)
> print a
> if __name__ == '__main__':
> x = sys.argv[1]
> main(x)
>
>
> How can I make this program run with the default value of x if I don't
> specify an argument at the command line?
My preference is to use Python's default function argument mechanism
to fill in the missing values:
def main(x, y='default'):
print(x)
print(y)
if __name__ == "__main__":
main(sys.argv[1:])
This is the quickest way to get what you want. For a proper script,
though, I would use an argument parser such as argparse.
Oscar
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