foo.sh

 #!/usr/bin/env bash

CMD=${1:-false}
URL=${2:-example.com}

if [ $CMD = false ]; then
    echo "usage: " $0 "command [url:example.com]"
    exit 1
fi

{ time $CMD > cmd.out 2> cmd.err ; } 2> time.out

if [ $? = 0 ];
then
    echo "+ time:"
    cat time.out
    echo
    echo "+ curling baby:"
    curl $URL
else
    echo "+ Error:"
    cat cmd.err
fi 


# { time tree /var > cmd.out 2> cmd.err ; } 2> time.out; if [ $? = 0 ]; then  cat time.out; curl example.com; else cat cmd.err; fi `