Hello,
I have been using shell for a "long" time and I decided to learn python
recently. So far I am liking it a lot especially the argparse module which
makes my programs more professional like.
Currently, I am rewriting my bash scripts to python so I came across a
subprocess and environment problem.
My bash script looks like this,
#!/usr/bin/env bash
export JAVA_HOME="/opt/java"
export PROG="dbconn"
export JAVA_ARGS="-Xmx16g"
export ARGS="-out outdata.dat"
$JAVA_HOME $JAVA_ARGS $PROG $ARGS
To convert this into python I did something like this (which isn't working
properly)
#!/usr/bin/env python
import subprocess,os
def execute():
try:
cmd="$JAVA_HOME $JAVA_ARGS $PROG $ARGS"
cmd=cmd.split()
p=subprocess.Popen([cmd],env={"JAVA_HOME":"/opt/java","PROG":"dbconn","JAVA_ARGS":"-Xmx16g","ARGS":"-out
outdata.dat"},
stdout=subprocess.PIPE)
except OSError, e:
print >>sys.stderr," Execution failed: ",e
return p.stdout
So, I was wondering if this is the correct way of doing it? or is there an
alternative?
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