#?It?imports?the?os?module.
import?os

#?Shutil?is?a?module?that?provides?a?number?of?high-level?operations?on?files?and?collections?of?files.
import?shutil

#?The?glob?module?finds?all?the?pathnames?matching?a?specified?pattern?according?to?the?rules?used?by?the?Unix?shell,
#?although?results?are?returned?in?arbitrary?order.?No?tilde?expansion?is?done,?but?*,??,?and?character?ranges?expressed
#?with?[]?will?be?correctly?matched.
import?glob
import?sys

#?Asking?the?user?to?input?the?path?of?the?directory?that?contains?the?files?to?be?sorted.
uncatched_dir?=?input('請輸入待分類的文件路徑：\n')

#?It?checks?if?the?uncatched_dir?is?empty.
if?uncatched_dir.strip()?==?'':
????print('待分類的文件夾路徑不能為空！')
????sys.exit()

#?Asking?the?user?to?input?the?path?of?the?directory?that?contains?the?files?to?be?sorted.
target_dir?=?input('請輸入分類后文件存放的目標路徑：\n')

#?It?checks?if?the?target_dir?is?empty.
if?target_dir.strip()?==?'':
????print('分類后的文件存放路徑不能為空！')
????sys.exit()

#?It?checks?if?the?target_dir?exists.?If?it?does?not?exist,?it?creates?a?new?directory?in?the?current?working?directory.
if?not?os.path.exists(target_dir):
????#?It?creates?a?new?directory?in?the?current?working?directory.
????os.mkdir(target_dir)

#?A?variable?that?is?used?to?count?the?number?of?files?that?have?been?moved.
file_move_num?=?0

#?A?variable?that?is?used?to?count?the?number?of?new?directories?that?have?been?created.
dir_new_num?=?0

#?A?for?loop?that?iterates?through?all?the?files?in?the?uncatched_dir?directory.
for?file_?in?glob.glob(f'{uncatched_dir}/**/*',?recursive=True):

????#?It?checks?if?the?file?is?a?file.
????if?os.path.isfile(file_):

????????#?It?gets?the?file?name?of?the?file.
????????file_name?=?os.path.basename(file_)

????????#?Checking?if?the?file?name?contains?a?period.
????????if?'.'?in?file_name:

????????????#?Getting?the?suffix?of?the?file.
????????????suffix_name?=?file_name.split('.')[-1]

????????else:

????????????#?Used?to?classify?files?that?do?not?have?a?suffix.
????????????suffix_name?=?'others'

????????#?It?checks?if?the?directory?exists.?If?it?does?not?exist,?it?creates?a?new?directory?in?the?current?working
????????#?directory.
????????if?not?os.path.exists(f'{target_dir}/{suffix_name}'):

????????????#?It?creates?a?new?directory?in?the?current?working?directory.
????????????os.mkdir(f'{target_dir}/{suffix_name}')

????????????#?Adding?1?to?the?variable?dir_new_num.
????????????dir_new_num?+=?1

????????#?It?copies?the?file?to?the?target?directory.
????????shutil.copy(file_,?f'{target_dir}/{suffix_name}')

????????#?Adding?1?to?the?variable?file_move_num.
????????file_move_num?+=?1

print(f'整理完成，有{file_move_num}個文件分類到了{dir_new_num}個文件夾中！\n')

input('輸入任意鍵關閉窗口...')