stimpy% Y="foo bar"
stimpy% echo $Y
foo bar
stimpy% Z=$(/bin/echo $Y)
stimpy% echo $Z                
foo bar
stimpy% Z=$(/bin/echo $Y):$PATH
stimpy% echo $Z
foo bar:/tmp/opt/spi/RapiDev_99a-RC1/tools/bin:/opt/gcc-3.2.3/bin:/opt/python-2.4.4/bin:/usr/local/bin:/bin:/usr/bin:/home/jkim/bin/exec/i686-Linux2:/home/jkim/bin/shell:/home/jkim/bin/shell/LOGIN/i686-Linux2
stimpy% export Z=$(/bin/echo $Y):$PATH
export: not an identifier: bar:/tmp/opt/spi/RapiDev_99a-RC1/tools/bin:/opt/gcc-3.2.3/bin:/opt/python-2.4.4/bin:/usr/local/bin:/bin:/usr/bin:/home/jkim/bin/exec/i686-Linux2:/home/jkim/bin/shell:/home/jkim/bin/shell/LOGIN/i686-Linux2
stimpy