bash retry cmd func

retry.sh:

#!/bin/bash

function retry()
{
    local n=0
    local try=$1
    local cmd="${@: 2}"
    local exit_code=0
    [[ $# -le 1 ]] && {
    echo "Usage $0 "; }

    until [[ $n -ge $try ]]
    do
        $cmd && exit_code=$? && break || {
            echo "Command Fail.."
            ((n++))
            echo "retry $n ::"
            sleep 1;
            }
    done
    return $exit_code
}

retry $*


 Usage:

 ./scripts/retry.sh 2 pytest

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