Returns the status of a command that returns data to a variable

Question

Returns the status of a command that returns data to a variable

how can I get the status from a command that is assigned to a variable?

For example:

#! /bin/bash

### GET PID
GETPID=$(ps aux | grep "bash" | grep -v "grep" | awk '{print $2 }')

if [ "$?" = "0" ]; then
    echo "status OK"
else 
    echo "status NOT OK"
fi

+3

variables bash shell return-value

peterko 23 june 15 at 15:23

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1 answer

MYMNeo · Answer 1 · 2015-07-15T09:41:50+0000

How about this:

PID=($(pidof bash))
if [[ ${#PID[@]} -gt 0 ]]; then
    echo "status OK"
else
    echo "status not OK"
fi

Returns the status of a command that returns data to a variable

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