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±¾Æª½«½éÉÜpythonÖÐsys, getoptÄ£¿é´¦ÀíÃüÁîÐвÎÊý
Èç¹ûÏë¶Ôpython½Å±¾´«²ÎÊý£¬pythonÖжÔÓ¦µÄargc, argv(cÓïÑÔµÄÃüÁîÐвÎÊý)ÊÇÊ²Ã´ÄØ£¿
ÐèҪģ¿é£ºsys
²ÎÊý¸öÊý£ºlen(sys.argv)
½Å±¾Ãû£º    sys.argv[0]
²ÎÊý1£º     sys.argv[1]
²ÎÊý2£º     sys.argv[2]
test.py
1
import sys
2
print "½Å±¾Ãû£º", sys.argv[0]
3
for i in range(1, len(sys.argv)):
4
    print "²ÎÊý", i, sys.argv[i]
>>>python test.py hello world
½Å±¾Ãû£ºtest.py
²ÎÊý 1 hello
²ÎÊý 2 world
pythonÖÐʹÓÃÃüÁîÐÐÑ¡Ï
ÀýÈçÎÒÃÇÐèÒªÒ»¸öconvert.py½Å±¾¡£ËüµÄ×÷ÓÃÊÇ´¦ÀíÒ»¸öÎļþ,²¢½«´¦ÀíºóµÄ½á¹ûÊä³öµ½ÁíÒ»¸öÎļþÖС£
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1.ͨ¹ý-i -oÑ¡ÏîÀ´Çø±ð²ÎÊýÊÇÊäÈëÎļþ»¹ÊÇÊä³öÎļþ.
>>> python convert.py -i inputfile -o outputfile
2.µ±²»ÖªµÀconvert.pyÐèÒªÄÄЩ²ÎÊýʱ£¬ÓÃ-h´òÓ¡³ö°ïÖúÐÅÏ¢
>>> python convert.py -h
getoptº¯ÊýÔ­ÐÎ:
getopt.getopt(args, options[, long_options])
convert.py
01
import sys, getopt
02
 
03
opts, args = getopt.getopt(sys.argv[1:], "hi:o:")
04
input_file=""
05
output_file=""
06
 
07
for op, value in opts:
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    if op == "-i":
09
        input_file = value
10
    elif op == "-o":
11
        output_file = value
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    elif op == "-h":
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        usage()
14
        sys.exit()
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b) "hi:o:": µ±Ò»¸öÑ¡ÏîÖ»ÊDZíʾ¿ª¹Ø×´Ì¬Ê±£¬¼´ºóÃæ²»´ø¸½¼Ó²ÎÊýʱ£¬ÔÚ·ÖÎö´®ÖÐдÈëÑ¡Ïî×Ö·û¡£µ±Ñ¡ÏîºóÃæÊÇ´øÒ»¸ö¸½¼Ó²ÎÊýʱ£¬ÔÚ·ÖÎö´®ÖÐдÈëÑ¡Ïî×Ö·ûͬʱºóÃæ¼ÓÒ»¸ö":"ºÅ¡£ËùÒÔ"hi:o:"¾Í±íʾ"h"ÊÇÒ»¸ö¿ª¹ØÑ¡Ï"i:"ºÍ"o:"Ôò±íʾºóÃæÓ¦¸Ã´øÒ»¸ö²ÎÊý¡£
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