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假設我的 程式是要讀取如下型別的檔案:

###
[Action --1]

RDMA support
IPOIB support
RDSOIB support

###<<<

###
[Action --2]

ORA-07445 
pevm_icd_call_common
ORA 7445 [pevm_icd_call_common]
oracle.sysman.oui.patch.PatchException: java.io.FileNotFoundException: 
ContentsXML/oui-patch.xml (Permission denied)

opatch logs

 
###<<<

我想找出每一個 "###" 之後的第一行，把它們彙集到一個列表裡，
再都打印出來。

程式如下：

mylist = []

myfile = open('AI.txt')
line = myfile.readline()

while line:    
    current_line = line.strip()
    if ( current_line == "###" ) :  # read the next line when encounter ###
        line = myfile.readline()
        current_line 
 
= line.strip()
        mylist.append(current_line)
    line = myfile.readline() # to move to the next line

myfile.close()

for temp in mylist:
   print(temp)

執行結果如下：

[Action --1]
[Action --2]

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