save run command

gistfile1.txt

 #!/bin/bash        

safeRunCommand() {
	typeset cmnd="$*"
	typeset ret_code

	echo cmnd=$cmnd
	eval $cmnd
	ret_code=$?
	if [ $ret_code != 0 ]; then
	  printf "Error : [%d] when executing command: '$cmnd'" $ret_code
	  exit $ret_code
	fi
}

command='uname ''"'$1'"'
safeRunCommand "$command"