[英]rename strings / rename files in python
我有一堆如下文件:
_1 blank file_
_10 - blank file_
_11 - blank file_
_2 blank file_
_3 blank file_
我想打印出帶有填充數字(2個字符)的名稱
我有 :
PATH = "/Users/seth/python/test"
#
#
for (path, dirs, files) in os.walk(PATH):
for z in files:
filename = z.replace(" ","_").replace("-","").replace("__","_")
print filename
所需輸出:
_01_blank_file_
_02_blank_file_
_03_blank_file_
_10_blank_file_
_11_blank_file_
您可以為此使用rjust
:
for (path, dirs, files) in os.walk(PATH):
for z in files:
filename = z.replace(" ","_").replace("-","").replace("__","_")
# explode and transform number
parts = filename.split('_', 2)
parts[1] = parts[1].rjust(2, '0')
# rejoin the transformed parts
print '_'.join(parts)
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