Creating Text File with Variable as the File Name

Question

I'm trying to create a new text file with a variable assigned as the name of the file; to add todays date to each file created. Though continue to receive the same error-

FileNotFoundError: [Errno 2] No such file or directory: 'TestFileWrite_10/11/2020.txt'

I've tried these methods with no success-

Using str-

today = date.today()
filename = "TestFileWrite_" + today.strftime("%d/%m/%Y")
f = open(str(filename)+'.txt', "w")
f.write(output1)
# output1 var is referenced within another part of the script.
f.close()

Using %-

today = date.today()
filename = "TestFileWrite_" + today.strftime("%d/%m/%Y")
f = open("%s.txt" % filename, "w")
f.write(output1)
# output1 var is referenced within another part of the script.
f.close()

Using .format-

today = date.today()
filename = "TestFileWrite" + str(today.strftime("%d/%m/%Y"))
f = open("{}.txt".format(filename), "w")
f.write(output1)
# output1 var is referenced within another part of the script.
f.close()

You seem to have / in your filenames. These will be re-interpreted as folder-name delimiters. Did you mean "TestFileWrite_10-11-2020.txt"? — quamrana
– quamrana, Commented Nov 10, 2020 at 16:49
Completely overlooked the date creation, fixed my issue, thank you @quamrana — iamsnaks
– iamsnaks, Commented Nov 10, 2020 at 16:54

Damien Pageot · Accepted Answer · 2020-11-10 17:07:13Z

1

You have to remove or replace the slash bar in:

filename = "TestFileWrite_" + today.strftime("%d/%m/%Y")

The date format should be changed, for example:

filename = "TestFileWrite_" + today.strftime("%Y%m%d")

or

filename = "TestFileWrite_" + today.strftime("%d_%m_%Y")

Moreover, the type of 'filename' is already 'str', so there is no need to use str() function:

f = open(filename+'.txt', 'w')

edited Nov 10, 2020 at 17:07

answered Nov 10, 2020 at 17:01

Damien Pageot

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