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Deleting folders in python recursively
...o. As asked, the question was how to delete EMPTY directories.The docs for os.walk give an example that almost exactly matches this question: import os for root, dirs, files in os.walk(top, topdown=False): for name in dirs: os.rmdir(os.path.join(root, name))
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How do I execute a program from Python? os.system fails due to spaces in path
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Yes, the os.exec* functions will replace the current process, so your python process won't continue. They're used more on unix where the general method for a shell to launch a command is to fork() and then exec() in the child.
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How to write log to file
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os.Open() must have worked differently in the past, but this works for me:
f, err := os.OpenFile("testlogfile", os.O_RDWR | os.O_CREATE | os.O_APPEND, 0666)
if err != nil {
log.Fatalf("error opening file: %v", err)
}
def...
How to create new folder? [duplicate]
...uld create a new folder with folder name as given in the program. Is this possible? If yes, please let me know how.
3 Answe...
Reading and writing environment variables in Python? [duplicate]
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Try using the os module.
import os
os.environ['DEBUSSY'] = '1'
os.environ['FSDB'] = '1'
# Open child processes via os.system(), popen() or fork() and execv()
someVariable = int(os.environ['DEBUSSY'])
See the Python docs on os.environ...
What's the difference between a single precision and double precision floating point operation?
...ch precision they can store the numbers.
For example: I have to store 123.456789 One may be able to store only 123.4567 while other may be able to store the exact 123.456789.
So, basically we want to know how much accurately can the number be stored and is what we call precision.
Quoting @A...
How do you do a simple “chmod +x” from within python?
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Use os.stat() to get the current permissions, use | to or the bits together, and use os.chmod() to set the updated permissions.
Example:
import os
import stat
st = os.stat('somefile')
os.chmod('somefile', st.st_mode | stat.S_I...
How can I find the current OS in Python? [duplicate]
...e platform. sys.platform will distinguish between linux, other unixes, and OS X, while os.name is "posix" for all of them.
For much more detailed information, use the platform module. This has cross-platform functions that will give you information on the machine architecture, OS and OS version, ve...
How to get Linux console window width in Python
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import os
rows, columns = os.popen('stty size', 'r').read().split()
uses the 'stty size' command which according to a thread on the python mailing list is reasonably universal on linux. It opens the 'stty size' command as a file, ...
Pythonic way to check if a file exists? [duplicate]
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To check if a path is an existing file:
os.path.isfile(path)
Return True if path is an existing
regular file. This follows symbolic
links, so both islink() and
isfile() can be true for the same
path.
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