research/return-string-without-subshell.sh


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greeting()
{
	return 'Hello'
}

party()
{
	return 'World'
}

main()
{
	echo $[greeting] $[party]

	return 0
}

###

greeting()
{
	__retval0='Hello'
	! [ x'Hello' = x ] && ! [ x'Hello' = xfalse ] || [ x'Hello' = x0 ]
}

party()
{
	__retval0='World'
}

main()
{
	greeting
	party
	echo ${__retval0} ${__retval0}

	__retval0=0
	! [ x0 = x ] && ! [ x0 = xfalse ] || [ x0 = x0 ]
}