python脚本删除n天之前的文件
管理Linux经常用到python脚本，然后写了脚本后，经常为了生成的文件占用磁盘空间而犯愁，这些写个函数以方便以后使用：1
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def rmdaybefore(pfile, days):
"""
Delete pfile diectory days before files below
:param pfile: local path
:param days: before days
:return: a list os.listdir pfile
"""
d = 0
try:
d = int(days)
except ValueError,e:
print "You input the parameters of the days cannot be converted to int."
sys.exit(1)
BEDAYS = time.time() - (24 * 60 * 60 * d)
if os.path.isdir(pfile):
for f in os.listdir(pfile):
fname = pfile + os.sep + f
if os.path.isfile(fname):
fmtime = os.path.getmtime(fname)
if fmtime <= BEDAYS:
os.remove(fname)
return os.listdir(pfile)
else:
"You input the parameters of the pfile is not a directory."
sys.exit(1)
if __name__ == '__main__':
pfile = r"C:\\Users\\XXX\\Desktop\\html\\"
for f in rmdaybefore(pfile,0.2):
print f
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