Python Why it doesnt open the file ? if it read the name and extension correctly

[Eshu]

Hello people,

Im doing a little script in python to practice.
Is a recursive method, it read the folder and files in a directory.

If its a file and ends with ".txt", read the file a look for a word in each line, if it find it, write the line in an other file.
If its a folder, calls it self to do the same process.

Here is the code:
[CODE lang="python" title="Script"]import os

def scan_folder(parent):

#List the directories and files
for file_name in os.listdir(parent):
#If its a file that end in '.txt', read it
if file_name.endswith(".txt"):
#The line bellow give the error
thing = open(file_name, "r")
for line in thing:
if line.find('test') >= 0:
my_method(line)
#If not call it self
else:
current_path = "".join((parent, "/", file_name))
if os.path.isdir(current_path):
scan_folder(current_path)

#Takes the line and write it
def my_method(linea):
file = open('C:/Users/Eshu/Desktop/thing.txt', "a")
file.write(linea + "\r")
file.close()

scan_folder('C:/Users/Eshu/Desktop/Test')[/CODE]

It gives me the next error:

Traceback (most recent call last):
File "C:/Users/Eshu/Desktop/untitled-3.py", line 24, in <module>
scan_folder('C:/Users/EdU/Desktop/Test')
File "C:/Users/Eshu/Desktop/untitled-3.py", line 16, in <module>
scan_folder(current_path)
File "C:/Users/Eshu/Desktop/untitled-3.py", line 16, in <module>
scan_folder(current_path)
File "C:/Users/Eshu/Desktop/untitled-3.py", line 8, in <module>
thing = open(file_name, "r")
builtins.FileNotFoundError: [Errno 2] No such file or directory: 'my_file.txt'

Im trying to solve it, but i couldn´t find the mistake. I made it simple, but nothing work.
I know the file exist, i create it, and the error is given in the line 8

[CODE lang="python" title="Error line"]thing = open(file_name, "r")[/CODE]


Thanks you guys

 

[LTomy]

What if you try giving the full path to the file (Instead of relative)? It seems to be that the file is not found. Is the file side-by-side with the script file?

 

[Eshu]

Hi @LTomy

It works, i put the absolute path and it works...
Men, thank you very much.
I didnt see that.

Thanks again

 

[LTomy]

Hi @LTomy

It works, i put the absolute path and it works...
Men, thank you very much.
I didnt see that.

Thanks again

Good . But it should work with relative paths as well, is the file located in the same folder as the script?

 

[Eshu]

Good . But it should work with relative paths as well, is the file located in the same folder as the script?

No, the script is on the Desktop and the file is inside a folder on the Desktop

 

[LTomy]

When the path is relative, you must write its path relatively to the position of the script, so in your case it should be '../my_file.txt'. '../' simply means "Go back to the parent folder".