在平时处理文件的时候,都会用到模块os,今天运用os模块获取绝对路径下的文件的文件名和后缀名,这里测试文件为:
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[root@python ~] # cat testfile
/usr/local/application/website/test .txt
/usr/local/application/website/test .txt
/usr/local/bin/test .sh
/usr/local/application/img/AEAFFEAG .jpg
/usr/local/application/img/AEAFAGEAG .jpg
/usr/local/application/CSS/up .css
/usr/local/application/PNG/good .png
/usr/local/application/img/AETTTGEAG .jpg
/usr/local/application/CSS/main .css
/usr/local/application/GIF/hello .gif
/usr/local/application/js/foot .js
[root@python ~] #
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接下来编写脚本:
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[root@python ~] # cat get_file_name.py
#!/usr/bin/env python import os
with open ( '/root/testfile' , 'r' ) as obj:
for line in obj:
print os.path.splitext(line.strip())
[root@python ~] #
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运行脚本输出结果:
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[root@python ~] # python get_file_name.py
( '/usr/local/application/website/test' , '.txt' )
( '/usr/local/application/website/test' , '.txt' )
( '/usr/local/bin/test' , '.sh' )
( '/usr/local/application/img/AEAFFEAG' , '.jpg' )
( '/usr/local/application/img/AEAFAGEAG' , '.jpg' )
( '/usr/local/application/CSS/up' , '.css' )
( '/usr/local/application/PNG/good' , '.png' )
( '/usr/local/application/img/AETTTGEAG' , '.jpg' )
( '/usr/local/application/CSS/main' , '.css' )
( '/usr/local/application/GIF/hello' , '.gif' )
( '/usr/local/application/js/foot' , '.js' )
[root@python ~] #
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从以上可以看出,每一行为一个元组,然后继续修改get_file_name文件:
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[root@python ~] # cat get_file_name.py
#!/usr/bin/env python # -*- coding:utf8 -*- import os
with open ( '/root/testfile' , 'r' ) as obj:
for line in obj:
print "文件路径为:%s 文件后缀为:%s" %(os.path.splitext(line.strip())[0],os.path.splitext(line.strip())[1])
[root@python ~] #
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再运行脚本查看结果:
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[root@python ~] # python get_file_name.py
文件路径为: / usr / local / application / website / test 文件后缀为:.txt
文件路径为: / usr / local / application / website / test 文件后缀为:.txt
文件路径为: / usr / local / bin / test 文件后缀为:.sh
文件路径为: / usr / local / application / img / AEAFFEAG 文件后缀为:.jpg
文件路径为: / usr / local / application / img / AEAFAGEAG 文件后缀为:.jpg
文件路径为: / usr / local / application / CSS / up 文件后缀为:.css
文件路径为: / usr / local / application / PNG / good 文件后缀为:.png
文件路径为: / usr / local / application / img / AETTTGEAG 文件后缀为:.jpg
文件路径为: / usr / local / application / CSS / main 文件后缀为:.css
文件路径为: / usr / local / application / GIF / hello 文件后缀为:.gif
文件路径为: / usr / local / application / js / foot 文件后缀为:.js
[root@python ~] #
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这里主要是运用os模块的splitext函数功能,以'.'的分隔符将一个完整的文件进行分割成元组,然后通过元组的下标获取元组中的元素。
本文转自027ryan 51CTO博客,原文链接:http://blog.51cto.com/ucode/1870919,如需转载请自行联系原作者