fork(1) download
  1. #!/bin/bash
  2. perl -E 'say {*STDOUT} "hi"; say {*STDERR} "bye"' \
  3. > >(sed s/^/out:/) \
  4. 2> >(sed s/^/err:/ >&2)
  5.  
Success #stdin #stdout 0.01s 5500KB
stdin
Standard input is empty
stdout
Standard output is empty