任意の形式のテキストファイルの処理

#   --         
#    
# f = open('           '， '      ')
# f        ，        
# f.close()

#     ：
# w. write  
# r read  
# a append      

import os 
%pwd

'C:\\study\\jupyter'

f = open('coop.txt', 'w')  #  w       ，      
f.write('coop' * 7)  #         
f.close()

with open('coop-1.txt', 'w') as f:
    f.write('coop' * 7)

with open('coop.txt') as f: #       r     
    data = f.read()#       ，       
    print(data)

coopcoopcoopcoopcoopcoopcoop

#                 ，  try except

with open('coop.txt', 'a') as f:
    f.write('coop1
')
    f.write('coop2
')
    f.write('
111')
    f.write('
222')

with open('coop.txt') as f:  
    print(f.readline())  #      
    print(f.readline())
    print(f.readline())
    print(f.readline())

coopcoopcoopcoopcoopcoopcoopcoop

coop

coop1

coop2

with open('coop.txt') as f:  #          readlines
    print(f.readlines())   #     

['coopcoopcoopcoopcoopcoopcoopcoop
', 'coop
', 'coop1
', 'coop2
', '
', '111
', '222']

with open('coop.txt') as f:  
    print(f.tell())  # tell()           (    )
    print(f.readline())  #      
    print(f.tell())
    print(f.readline())
    print(f.tell())
    print(f.seek(0))  # seek（0）        0   
    print(f.readline())
    print(f.readline())
    f.seek(5)

    print(f.readline())
    print(f.tell())

0
coopcoopcoopcoopcoopcoopcoopcoop

34
coop

40
0
coopcoopcoopcoopcoopcoopcoopcoop

coop

oopcoopcoopcoopcoopcoopcoop

34

f = open('coop.txt', 'a')
f.write('append
')
# print(f.readlines())

7

with open('coop.txt',) as f:
    data = f.read()
    print(data)

coopcoopcoopcoopcoopcoopcoopcoop
coop
coop1
coop2

111
222appendappendappendappendappendappendappend
append
append
append
append
append

##############

#           
import fnmatch
for f in os.listdir('.'):
    if fnmatch.fnmatch(f, '*.txt'):
        print(f)
    elif fnmatch.fnmatch(f, '*.pdf)'):
        print('find pdf', f)

coop-1.txt
coop.txt

#           
import fnmatch
for f in os.listdir('.'):
    if fnmatch.fnmatch(f, '?+.txt'):  #   ？，    
        print(f)
    elif fnmatch.fnmatch(f, '?.pdf)'):
        print('find pdf', f)

#################

import fnmatch
for f in os.listdir('.'):
    if fnmatch.fnmatch(f, '\w+.txt'):  #   ？，    
        print(f)
    elif fnmatch.fnmatch(f, '?.pdf)'):
        print('find pdf', f)

#              
import glob
for f in glob.glob('[0-9].txt'):
    print(f)

0.txt
1.txt

import glob
for f in glob.glob('[0-9]+.txt'):  #     + ，       
    print(f)

############################

#     picle ，   ，   
#      ，    pkl
#   python     
name_list = ['coop', 'fang', 'beijing']
data = {'name':name_list, 'age':(2,3,4)}

import pickle
with open('data.pkl', 'wb') as f: #   wb，       
    pickle.dump(data, f)

with open('data.pkl', 'rb') as f:
    data = pickle.load(f)
    print(data)

{'name': ['coop', 'fang', 'beijing'], 'age': (2, 3, 4)}

############################

#     ，    ，         
import io
output = io.StringIO()
output.write('the first code
')
print('ddd', file=output)

#     
contents = output.getvalue()
print(contents)

#    ，    
output.close()   #             

the first code
ddd

#              python    pickle        
import shelve
with shelve.open('coop.she') as so:
    so['coop'] = 'fang'  #       

with shelve.open('coop.she') as so:
    print(so['coop'])

fang