# -*- coding:utf-8 -*- #标准代码 import linecache #lines存储错误的行 lines=[] #错误行,字符串形式列表 error_lines=[] #错误行,不包括首行 int_lines=[] #错误行,整数形式列表,不包括首行 error_lines_file_path=r'C:\Users\yawei.chen\Desktop\Puck\Python\Job\test\error_seq.txt' #需要抽取的错误行数 source_file_path=r'C:\Users\yawei.chen\Desktop\Puck\Python\Job\test\iclog100.y2018.d0513.s00001.20180513002906.txt'#源文件 extract_file_path=r"C:\Users\yawei.chen\Desktop\IM22407681.txt" #抽取的错误行文件,存储位置和文件名 #可控制函数 def truncate_file(error_lines_file_path,source_file_path,extract_file_path): # 读取错误的行数,并输出到error_lines with open(error_lines_file_path, "r", encoding='utf-8') as y: for line in y: lines.append(line) error_lines = lines[2:len(lines) + 1] # 生成int_lines,将error_lines中的字符串转换成int格式 for int_line in error_lines: int_lines.append(int(int_line)) # 在源文件中,提取错误行的内容 with open(source_file_path, 'r', encoding='utf-8') as f1, \ open(extract_file_path, 'w', encoding='utf-8') as f2: # 将错误行写入到extract_file_path文件中 for int_line in int_lines: count = linecache.getline(source_file_path, int_line) f2.write(count) truncate_file(error_lines_file_path,source_file_path,extract_file_path)
根据ETL报错的信息,用Python从源文件中提取出错误的内容
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转载自blog.csdn.net/vaychen/article/details/80581185
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