从Python中readline()函数读取的一行内容中含有换行符\n,很多时候我们需要处理不含有换行符的字符串,此时就要去掉换行符\n. 方法是使用strip()函数. 例子如下: f = open("./DownloadList.txt") line = f.readline() while line: line = line.strip('\n') line = f.readline() f.close()…
Steps: 1. Copy the file need to be replaced into Notepade ++ 2. Ctrl+A to select all->Ctrl+F to pup up Find dialog->Click Replace->Select Extended->Input \n in 3 then input \r in 4-> Input \r in 6 then delete all in 7->Click "Replac…
源文件每行后面都有回车,所以用下面输出时,中间会多了一行 try: with open("F:\\hjt.txt" ) as f : for line in f: print(line) except FileNotFoundError: print("读取文件出错") 有两种方法处理: 1.print后面带 end='',表示不换行 try: with open("F:\\hjt.txt" ) as f : for line in f: pri…
1.回车换行符 chr(10)是换行符,chr(13)是回车, 增加换行符 select ' update ' || table_name || ' set VALID_STATE =''0A'';'||chr(13)||' commit;' from user_tables 删除换行符 select id,replace(content,to_char(chr(13))||to_char(chr(10)),'_r_n') from fact_content order by co…