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Difference between os.getenv and os.environ.get

... One difference observed (Python27): os.environ raises an exception if the environmental variable does not exist. os.getenv does not raise an exception, but returns None share |...
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How do I list all files of a directory?

... os.listdir() will get you everything that's in a directory - files and directories. If you want just files, you could either filter this down using os.path: from os import listdir from os.path import isfile, join onlyfiles ...
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How do I get the path and name of the file that is currently executing?

... p1.py: execfile("p2.py") p2.py: import inspect, os print (inspect.getfile(inspect.currentframe()) # script filename (usually with path) print (os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))) # script directory ...
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How do I programmatically determine operating system in Java?

I would like to determine the operating system of the host that my Java program is running programmatically (for example: I would like to be able to load different properties based on whether I am on a Windows or Unix platform). What is the safest way to do this with 100% reliability? ...
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Python list directory, subdirectory, and files

... Use os.path.join to concatenate the directory and file name: for path, subdirs, files in os.walk(root): for name in files: print os.path.join(path, name) Note the usage of path and not root in the concatenation, sinc...
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How to find the operating system version using JavaScript?

How can I find the OS name and OS version using JavaScript? 13 Answers 13 ...
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Getting a list of all subdirectories in the current directory

...ories, or every directory right down the tree? Either way, you could use os.walk to do this: os.walk(directory) will yield a tuple for each subdirectory. Ths first entry in the 3-tuple is a directory name, so [x[0] for x in os.walk(directory)] should give you all of the subdirectories, recur...
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How to detect the current OS from Gradle

... Ant's existing structure: import org.apache.tools.ant.taskdefs.condition.Os task checkWin() << { if (Os.isFamily(Os.FAMILY_WINDOWS)) { println "*** Windows " } } I found this in the following Gradle branch, and it seems to work nicely. gradle/gradle-core/branches/RB-0.3/bu...
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Using os.walk() to recursively traverse directories in Python

... This will give you the desired result #!/usr/bin/python import os # traverse root directory, and list directories as dirs and files as files for root, dirs, files in os.walk("."): path = root.split(os.sep) print((len(path) - 1) * '---', os.path.basename(root)) for file in fi...
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Get operating system info

...497878/ <?php $user_agent = $_SERVER['HTTP_USER_AGENT']; function getOS() { global $user_agent; $os_platform = "Unknown OS Platform"; $os_array = array( '/windows nt 10/i' => 'Windows 10', '/windows nt 6.3/i' ...