#encoding=utf-8
"""
文件访问，提示输入数字 N 和文件 F, 然后显示文件 F 的前 N 行
"""
import os
def showFileRow(path,N,F):
os.chdir(path)
with open(os.path.join(path,F),"r") as fp:
temp=fp.readlines()
if N>len(temp):
print(temp)
else:
for i in range(len(temp)):
if i<N:
print(temp[i])
print(showFileRow("e:\\murphy\\file",3,"result.py"))
print(showFileRow("e:\\murphy\\file",10,"result.py"))
#encoding=utf-8
"""
18、从命令行接受1个路径如：c:\a\b\c\1.py, 实现1个函数创建目录a\b\c,创建文件1.py，实现1个函数删除已创建的目录及文件
"""
import os
def createDirsFile(path):
dirs=os.path.split(path)[0]
file=os.path.split(path)[1]
if not os.path.exists(dirs):
os.makedirs(dirs)
os.chdir(dirs)
with open(file,"w") as fp:
pass
#print(createDirsFile("e:\\test1\\test\\a.py"))
def removeDirsFile(path):
dirs = os.path.split(path)[0]
file = os.path.split(path)[1]
os.chdir(dirs)
if os.path.exists(file):
print("file")
os.remove(file)
if os.path.exists(dirs):
try:
os.removedirs(dirs)
except Exception as err:
print(err)
print(removeDirsFile("E:\\test1\\test\\1.txt"))
