\cancel mode verify

say "/TREE=ALL"
vtree=all/clobber/outfile=a.txt ($1)
say "/TREE=USER"
vtree=user/append/outfile=a.txt ($1)
say "/TREE=FILE"
vtree=file/append/outfile=a.txt ($1)

if `($1),return=IsReady` then
  say ($1) is ready and `($1),return=status`
else
  say the problem is `($1),return=status`
endif

say "************************"
sp cat a.txt

!set mode/last verify
