Entries from 2009-10-17 to 1 day
with文が便利.例えば,openとかリソースを開いて閉じる作業の場合,こう書く import sys if __name__ == '__main__': """ main section """ try: with open (sys.argv[1], 'r') as fp: for line in fp: sys.stdout.write (line) except IOError, inst: sys.…
with文が便利.例えば,openとかリソースを開いて閉じる作業の場合,こう書く import sys if __name__ == '__main__': """ main section """ try: with open (sys.argv[1], 'r') as fp: for line in fp: sys.stdout.write (line) except IOError, inst: sys.…