file_path='your_file.txt'ifos.path.exists(file_path):print('The file exists!')else:print('The file does not exist.')# Output:# 'The file exists!' if the file exists, 'The file does not exist.' otherwise. Python Copy In this example, we first import theosmodule. We then define a...
if file.exists (): print ("File exist") else: print ("File not exist") 输出: File exist 以下是完整的代码: import os from os import path def main(): print(os.name) print("Item exists:" + str(path.exists("guru99.txt"))) print("Item is a file: " + str(path.isfile("guru99...
PATH='./file.txt' if path.exists(PATH) and path.isfile(PATH) and access(PATH, R_OK): print "File exists and is readable" else: print "Either file is missing or is not readable" 你也可以通过下面的方式实现: 代码如下: def file_exists(filename): try: with open(filename) as f: re...
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以上就是如何实现"python if 文件不存在"的完整步骤和相应的代码。你可以根据实际需要对代码进行修改和扩展。 下面是类图和状态图的示例: 1. teachDeveloper- name: str+ experience: int+teach(newbie: Developer) : voidNewbie- name: str File existsFile does not existFinishFinishCheckFileExistenceFileExistsFi...
>>>os.path.exists('no_exist_file.txt') >>>False 判断文件夹是否存在 1 2 3 4 5 6 7 importos >>>os.path.exists('test_dir') >>>True >>>os.path.exists('no_exist_dir') >>>False 可以看出用os.path.exists()方法,判断文件和文件夹是一样。
from pathlib import Path path_to_file = 'readme.txt' path = Path(path_to_file) if path.is_file(): print(f'The file {path_to_file} exists') else: print(f'The file {path_to_file} does not exist') 如果存在 readme.txt 文件, 将会打印以下输出: The file readme.txt exists 总结...
IF [NOT] ERRORLEVEL number commandIF [NOT] string1==string2 commandIF [NOT] EXIST filename command 其中 ERRORLEVEL number表示判断最后运行的程序返回值是否大于等于number，如果是，则执行if语句后面的命令。string1==string2表示判断两个字符串是否相等，如果相等，则执行if语句后面的命令。EXIST filename表示...
open("document.docx", "rb") as docx_file: result = mammoth.convert_to_html(docx_file) ...
代码运行次数:0 运行 AI代码解释 importpathlib path=pathlib.Path("e:/test/test.txt")ifpath.exists():ifpath.is_file():print("是文件")elif path.is_dir():print("是目录")else:print("不是文件也不是目录")else:print("目录不存在")