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How to rename a file using Python

... Use os.rename: import os os.rename('a.txt', 'b.kml') share | improve this answer | follow ...
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Check to see if python script is running

...cleanly, and check for it when you start up. #/usr/bin/env python import os import sys pid = str(os.getpid()) pidfile = "/tmp/mydaemon.pid" if os.path.isfile(pidfile): print "%s already exists, exiting" % pidfile sys.exit() file(pidfile, 'w').write(pid) try: # Do some actual work her...
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After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31

Oracle released Java JDK 7 on April 26 for Mac OS X. I followed the install instructions and when I do java -version in a terminal window I get: ...
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How to find the Windows version from the PowerShell command line

... Since you have access to the .NET library, you could access the OSVersion property of the System.Environment class to get this information. For the version number, there is the Version property. For example, PS C:\> [System.Environment]::OSVersion.Version Major Minor Build Revisi...
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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?

...he tendency to generate noticeably faster code if I optimize for size ( -Os ) instead of speed ( -O2 or -O3 ), and I have been wondering ever since why. ...
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How to perform file system scanning

...lk(). The original is below. package main import ( "path/filepath" "os" "flag" "fmt" ) func visit(path string, f os.FileInfo, err error) error { fmt.Printf("Visited: %s\n", path) return nil } func main() { flag.Parse() root := flag.Arg(0) err := filepath.Walk(root, visit) ...
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How is Docker different from a virtual machine?

...ly known as libcontainer), which runs in the same operating system as its host. This allows it to share a lot of the host operating system resources. Also, it uses a layered filesystem (AuFS) and manages networking. AuFS is a layered file system, so you can have a read only part and a write part wh...
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How to reliably open a file in the same directory as a Python script

... I always use: __location__ = os.path.realpath( os.path.join(os.getcwd(), os.path.dirname(__file__))) The join() call prepends the current working directory, but the documentation says that if some path is absolute, all other paths left of it are dro...
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How to call a shell script from python code?

... This gives: OSError: [Errno 13] Permission denied. my script does not required to run with sudo. @Manoj Govindan – alper Apr 19 '17 at 12:04 ...
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Run a Python script from another Python script, passing in arguments [duplicate]

... Try using os.system: os.system("script2.py 1") execfile is different because it is designed to run a sequence of Python statements in the current execution context. That's why sys.argv didn't change for you. ...