line=fileHandler.readline()if__name__=='__main__': main() 输出: ***Read all linesinfile using readlines() ***Hello Thisisa sample file that containsissome textislike123 ***Read file line by lineandthen close it manualy ***Hello Thisisa sample file that containsissome textislike123...
使用readlines 后: withopen('file.txt','r')asfile:lines=file.readlines()# lines 现在是一个包含每一行文本的列表print(lines)# 输出:# ['Hello, this is line 1.\n', 'This is line 2.\n', 'And this is line 3.\n']# 访问特定行print(lines[0].strip())# 输出:Hello, this is line ...
以下是一个类图示例,表示一个简单的FileReader类。 FileReader+__init__(file_path: str)+read_all() : str+read_lines() : list 类的功能分析 __init__(file_path: str):构造函数,接受文件路径作为参数。 read_all():读取文件的全部内容。 read_lines():逐行读取文件内容,并返回列表。 五、结论 Pytho...
2、代码示例 - read 函数读取文件所有内容 代码示例 : 代码语言:javascript 代码运行次数:0 运行 AI代码解释 """ 文件操作 代码示例""" file=open("file.txt","r",encoding="UTF-8")print(type(file))#<class'_io.TextIOWrapper'>print("read 函数读取文件所有内容: ")# 读取文件所有内容 lines=file.re...
chunk = file_object.read(100)# 读文件的100字节ifnotchunk:break#do_something_with(chunk)finally: file_object.close( )# 关闭文件 读每行 readlines file_object =open(r'D:\test.txt','r')# 打开文件list_of_all_the_lines = file_object.readlines( )#读取全部行print(list_of_all_the_lines)...
readlines() print print 'list all lines' #返回文件头,显示所有行 print 'readlines()' #返回文件头,返回所有行的列表 f.seek(0) print f.readlines() print print 'list all lines' #返回文件头,显示所有行 f.seek(0) textlist = f.readlines() for line in textlist: print line, print print '...
Call readline() repeatedly and return a list of the lines so read. The optional size argument, if given, is an approximate bound on the total number of bytes in the lines returned. """ return [] def seek(self, offset, whence=None): # real signature unknown; restored from __doc__ ...
)在读取模式下打开名为“filename.txt”的文件，然后从中读取所有行，并将它们存储在名为 lines 的...
File I/O: Read and print a log file Create a directory calledlog-datain your project tree. You can copy all file examples from thelog-data directory in the example project. Create a new filesample.logwith the following content, or any other two lines that provide a different message at...
= False: raise Exception("This is a soft link file. Please chack.") with open(file_path, 'r', encoding='utf-8') as fhdl: fhdl.seek(0) lines_info = fhdl.readlines() for line in lines_info: if line.startswith('TIME_SN='): sn_value = line[8:-1] elif line.startswith('...