lvdisplay /dev/vg00/lvol3 | perl -ln0aF'\n' -e 'print for @F[1,4,5]'

##</code><code>##

lvdisplay /dev/vg00/lvol3 | perl -lp0aF'\n' -e '}for(@F[1,4,5]){'
lvdisplay /dev/vg00/lvol3 | perl -n0aF/^/m -e 'print@F[1,4,5]'

##</code><code>##

lvdisplay /dev/vg00/lvol3 | perl -ne 'print if $.=~/^(2|5|6)$/'

##</code><code>##

lvdisplay /dev/vg00/lvol3 | perl -pe '$_ x=$.=~/^[256]/'
lvdisplay /dev/vg00/lvol3 | perl -pe '$_ x=256=~$.'
lvdisplay /dev/vg00/lvol3 | perl -pe '$_ x=$^H=~$.'