How can i do this in Python?
bearophileHUGS at lycos.com
bearophileHUGS at lycos.com
Thu Jan 25 04:59:54 EST 2007
Gabriel Genellina:
> import operator,fileinput
> mapper = map(operator.itemgetter, [0,1,20,21,2,10,12,14,11,4,5,6])
> for line in fileinput.input():
> fields = line.split()
> print '\t'.join(m(fields) for m in mapper)
I'm just curious, what's the advantage of using itemgetter there
compared to something simpler like this (untested!)?
import fileinput
positions = [0,1,20,21,2,10,12,14,11,4,5,6]
for line in fileinput.input():
fields = line.split()
print '\t'.join(fields[m] for m in positions)
Bye,
bearophile
More information about the Python-list
mailing list