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×Ô¼ºÓöµ½µÄÒ»¸öÎÊÌâ, WestGecoµÄ3DµØÕðÊý¾Ý, ÌáÈ¡µ¼º½Êý¾Ý:
#!/bin/env python
import sys
import struct
try:
        f=open(sys.argv[1],'rb')
except (IOError,Exception):
    print '''usage:
        scriptname segyfilename
'''
    sys.exit(1)
#skip EBCDIC header
try:
    f.seek(3200)
except Exception:
    print 'Oops! your file is broken..'
#read binary header
binhead = f.read(400)
ns = struct.unpack('>h',binhead[20:22])[0]
if ns < 0:
    print 'file read error'
    sys.exit(1)
#read trace header
while True:
    trchead = f.read(240)
    if trchead == '':
        break
    nav = trchead[224:228]+\
          trchead[228:232]+\
          trchead[200:204]+\
          trchead[204:208]+\
          trchead[60:64]
#define output format
    nl = struct.unpack('>5i',nav)
    print 'QL%-4d%9s%10.2f%10.2f%5s' % (nl[0], nl[1], nl[2]/100.0, nl[3]/100.0, nl[4])
    f.seek(ns*4,1)
f.close()


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python challenge

from: http://www.cnblogs.com/jimnox/archive/2009/12/08/tips-to-python-challenge.html
Python ChallengeÊÇÒ»¸öÍøÒ³´³¹ØÓÎÏ·£¬Í¨¹ýһЩÌáʾÕÒ³öÏÂÒ»¹ØµÄÍøÒ³µØÖ·¡£ÓëÖÚ²»Í¬µÄÊÇ£¬ËüÊÇרÃÅΪ³ÌÐòÔ±Éè¼ÆµÄ£¬ÒòΪ´ó¶àÊý¹Ø¿¨¶¼Òª±à³ÌÀ´ËãŶ£¡£¡
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Python Socket±à³Ì

1£¬±àдServer.py
import socket
s=socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
s.bind(('localhost',8081))
while True:
    data,addr=s.recvfrom(1024)
    print 'receive:',data,'from',addr
2£¬±àдClient.py
import socket
s=socket.socket(socket.AF_INET,socket.SOC ......

»°ËµPython£¨Èý£©Íò¶ñµÄ±àÂë

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Ê×ÏÈ£¬Ð¡²ËÔÚCÅ̽¨ÁËÒ»¸öÎı¾Îĵµ file.txt,ÊäÈëËĸö×Ö£ºÎÒÊÇС²Ë¡£
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>>> file=open("c:\\file.txt","r")
>>> data=file.read()
>> ......

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ÐèÒªÏÈ°²×°libxml2-devel libxslt-develÕâÁ½¸örpm°ü£¬Èç¹ûʹÓ÷ÇrootÓû§°²×°£¬¿ÉÒÔÏÂÔØlibxml2ºÍlibxsltµÄÔ´´úÂë½øÐа²×°¡£ libxml2-devel¡¢libxslt-devel×°ºÃºó£¬½âѹlxmlµÄ°ü£¬Çл»µ½Õâ¸ö°üµÄ·¾¶¡£
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python ±Ê¼Ç for loop and extend, append

list.append(item)
list.extend(sequence)
http://docs.python.org/tutorial/datastructures.html
http://docs.python.org/library/functions.html Õ⼸Ìì¿´Ò»ÏÂ
python howto
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list.append(x)Add an item to the end of the list; equivalent to a[len(a):]&n ......
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