obabel in.sdf -osmi | bar -of out.smiOutput was:
44.9KB at 11.2KB/s elapsed: 0:00:04only cnversion rate and time elapsed... Then I found a pv program, which can be configured to show the regular progress bar with some additional information (ETA, conversion rate etc):
obabel in.sdf -osmi | pv -lperat -s `count_mol.sh in.sdf` > out.smi(this script uses count_mol.sh script I've mentioned in one of my previous posts.) The output from this command looks similar to:
0:00:01 [ 267/s] [ 267/s] [====> ] 9% ETA 0:00:09and it does everything I need (ie progress and ETA).