how to import python variable to bash

Question

I have two scripts: Python:

if canceled==True:
   os.environ["c"] = "0"
if canceled==False:
   os.environ["c"] = "1"

Bash:

kill_jobs()
{
    pkill -TERM -P "$BASHPID"
    echo $c
    if [ $c == "0" ]
    then
    echo -e "OPERATIONS CANCELED"
    elif [ $c == "1" ]
    then
    echo -e "OPERATIONS FINISHED"
    fi
}
trap kill_jobs EXIT

How can I do to pass a python variable to bash script ? (My level in bash is near to 0 ...) Thanks

Edit: Now I have this error: (in french)

[: == : opérateur unaire attendu

PradyJord · Accepted Answer · 2014-05-28 07:38:46Z

1

Or you can try:

os.environ["c"] = "value"

You can set it this way, I guess

Refer

answered May 28, 2014 at 7:38

PradyJord

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2 Comments

Guillaume Over a year ago

ok, your solution seems to work. I have another problem, I will edit my question.

PradyJord Over a year ago

either if [ $c -eq 0 ] or if [ "$c" == "0" ]. Please ask one question in one post. I haven't set this standard, but I guess that is what everyone follow here.

Barmar · Accepted Answer · 2014-05-28 07:35:07Z

0

The python script should end with:

print c

Then you use it in bash with:

c=$(python_script)

answered May 28, 2014 at 7:35

Barmar

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2 Comments

Guillaume Over a year ago

Thanks for your answer, no need to pass in environment variable ?

Barmar Over a year ago

No, just use ordinary shell variables. Environment variables are inherited by child processes.

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