On Sun, 2015-06-07 at 14:09 +0200, John Hughes wrote: > Marvell>> setenv teststring abcdef > Marvell>> setenv testcmd 'setenv testvar $(teststring)' > Marvell>> run testcmd > Marvell>> printenv testvar > testvar=$(teststring) > It looks like the interpolation is not working. I think u-boot only expands ${teststring} not $(teststring), so the instructions have a typo. Ian.