python批量删除文件中多余的空行

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python批量删除文件中多余的空行

1、需要处理的文件poem1.txt （样例）

# cat poem1.txt 
01030510

2、执行python脚本delete_nullRow.py

# cat delete_nullRow.py 
# coding = utf-8
def clearBlankLine():file1 = open('poem1.txt', 'r', encoding='utf-8') # 要去掉空行的文件 file2 = open('poem2.txt', 'w', encoding='utf-8') # 生成没有空行的文件try:for line in file1.readlines():if line == '\n':line = line.strip("\n")file2.write(line)finally:file1.close()file2.close()if __name__ == '__main__':clearBlankLine()

3、批量删除空行后生成的新文件poem1.txt

# cat poem2.txt 
01
03
05
10