user@unforgiven:~$ egrepa
bash: egrepa: command not found
user@unforgiven:~$ egrepa >/dev/null
bash: egrepa: command not found
user@unforgiven:~$ egrepa >/dev/null 2>&1
user@unforgiven:~$ perl -e '$res = `egrepa 2>&1`; print $res'
user@unforgiven:~$