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From: Satish Muthali <satish.muthali@gmail.com>
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Subject: passing Python assignment value to shell
Date: Wed, 28 May 2014 13:16:00 -0700
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Hello Experts,

I am trying to extract the available userspace+swap memory and then want =
to feed this value as an argument to a tool that is executed in the =
shell.

so, this is what I have so far:

reecalc =3D [s.split() for s in os.Popen("free =
-ht").read().splitlines()]
freecalc_total =3D freecalc[4]
freecalc_total =3D freecalc_total[3]
freecalc_total =3D freecalc_total.translate(None, 'M=92)

Now I want to feed the value for =91freecalc_total=92 as an argument to =
a command executed by the shell.

For example:

devnull =3D open(os.devnull, =93w=94)
runCommand =3D subprocess.call([=93stressapptest=94, =93<I want to pass =
the value of freecalc_total here>=94, =
=9320=94],stdout=3Ddevnull,stderr=3Dsubprocess.STDOUT)
devnull.close()

How do I go about  doing this?

Many thanks in advance

-Satish=

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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dwindows-1252"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hello =
Experts,<div><br></div><div>I am trying to extract the available =
userspace+swap memory and then want to feed this value as an argument to =
a tool that is executed in the shell.</div><div><br></div><div>so, this =
is what I have so far:</div><div><br></div><div><div><b><i>reecalc =3D =
[s.split() for s in os.Popen("free =
-ht").read().splitlines()]</i></b></div><div><b><i>freecalc_total =3D =
freecalc[4]</i></b></div><div><b><i>freecalc_total =3D =
freecalc_total[3]</i></b></div><div><b><i>freecalc_total =3D =
freecalc_total.translate(None, =
'M=92)</i></b></div></div><div><b><i><br></i></b></div><div>Now I want =
to feed the value for =91<b>freecalc_total</b>=92 as an argument to a =
command executed by the shell.</div><div><br></div><div>For =
example:</div><div><br></div><div>devnull =3D open(os.devnull, =
=93w=94)</div><div>runCommand =3D subprocess.call([=93stressapptest=94, =
=93<b>&lt;I want to pass the value of freecalc_total here&gt;</b>=94, =
=9320=94],stdout=3Ddevnull,stderr=3Dsubprocess.STDOUT)</div><div>devnull.c=
lose()</div><div><br></div><div>How do I go about &nbsp;doing =
this?</div><div><br></div><div>Many thanks in =
advance</div><div><br></div><div>-Satish</div></body></html>=

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