这篇文章主要介绍了Python实现删除文件中含“指定内容”的行功能,涉及Python针对文件读取及字符串遍历、判断等相关操作技巧,需要的朋友可以参考下
本文实例讲述了Python实现删除文件中含指定内容的行。分享给大家供大家参考，具体如下：
#!/bin/env python import shutil, sys, os darray = [ "Entering directory", "In function ", "Leaving directory", "__NR_SYSCALL_BASE", "arm-hisiv100-linux-ar ", "arm-hisiv100-linux-gcc ", "but argument is of type", "dereferencing type-punned pointer will break strict-aliasing rules", "differ in signedness", "does break strict-aliasing rules", "embedded '\\0' in format", "excess elements in array initializer", "implicit declaration of", "make -C ", " rm -f", "this is the location of the previous definition", "warning: multi-line comment" ] def isInArray (array, line): for item in array: if item in line: return True return False if __name__ == '__main__': argv = sys.argv argc = len(argv) if argc <2: print "usage: %s" %(os.path.basename(argv[0])) exit() fname = argv[1] fresult = fname + ".result" with open(fname, 'r') as f: with open(fresult, 'w') as g: for line in f.readlines(): if not isInArray(darray, line): g.write(line)
另外还可参考：bash删除文件中含"指定内容"的行
更多关于Python相关内容感兴趣的读者可查看本站专题：《Python文件与目录操作技巧汇总》、《Python文本文件操作技巧汇总》、《Python URL操作技巧总结》、《Python图片操作技巧总结》、《Python数据结构与算法教程》、《Python Socket编程技巧总结》、《Python函数使用技巧总结》、《Python字符串操作技巧汇总》及《Python入门与进阶经典教程》
希望本文所述对大家Python程序设计有所帮助。
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