File Operations in Python: Difference between revisions
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print('__file__:', __file__) | print('__file__:', __file__) | ||
</syntaxhighlight> | </syntaxhighlight> | ||
=Paths= | |||
<code>os.path.basename</code> returns the file name from the file path: | |||
<syntaxhighlight lang='python'> | |||
import os | |||
print(os.path.basename(__file__)) | |||
</syntaxhighlight> | |||
<code>os.path.dirname</code> returns the directory name from the file path. | |||
<syntaxhighlight lang='python'> | |||
import os | |||
print(os.path.dirname(__file__)) | |||
</syntaxhighlight> | |||
<code>os.path.abspath</code> return the absolute path from a file path. | |||
<font color=darkkhaki> | |||
<code>os.path.splittext</code> returns the file name from the file path. | |||
</font> | |||
<font color=darkkhaki>Use the pathlib module to extract directory name.</font> |
Revision as of 01:00, 16 February 2022
Internal
Check whether a File Exists
import os.path
file_exists = os.path.exists(path_to_file)
Returns True
or False
.
from pathlib import Path
path = Path(path_to_file)
path.is_file()
Reading/Writing from/to Files
Read
f = open(filename, mode) c = f.read() f.close()
f = open('somefile', 'rt')
c = f.read()
f.close()
Mode: "r", "w", "x", etc. "t" text, "b" binary
Write
f = open('/Users/ovidiu/tmp/out.json', 'wt')
f.write("test\n")
f.close()
Working Directory
import os
print('getcwd:', os.getcwd())
Also see:
The Path of the Running Script File
print('__file__:', __file__)
Paths
os.path.basename
returns the file name from the file path:
import os
print(os.path.basename(__file__))
os.path.dirname
returns the directory name from the file path.
import os
print(os.path.dirname(__file__))
os.path.abspath
return the absolute path from a file path.
os.path.splittext
returns the file name from the file path.
Use the pathlib module to extract directory name.