Thread: Howto: Run bash shell commands from within Python

the subprocess module can used call command-line programs within python. however, syntax long-winded , hard remember. convenient simple python script can save time is:

code:

def bash(cmd,cwd=none):      '''runs command in bash shell'''      print(cmd)      retval = subprocess.popen(cmd, shell=true, \          stdout=subprocess.pipe, cwd=cwd).stdout.read().strip('\n').split('\n')      if retval==['']:          return(0)      else:          return(retval)

example uses are:

code:

bash('convert myfile.png myfile.jpg')

and

code:

myfilelist = bash('ls *.jpg',cwd='mydirectory')

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