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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：
? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39#!/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 ' ' 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 <file>" %(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)
希望本文所述对大家Python程序设计有所帮助。