On Fri, Nov 14, 2014 at 3:45 PM, Gokan Atmaca <linux.go...@gmail.com> wrote: > I want to conditionally output from the bash command. for example > > telnet localhost 25 > 220 localhost.localdomain ESMTP Postfix > > #! / bin / bash > COMMAND = `telnet localhost 25` > if ["$ COMMAND" == "220 localhost.localdomain ESMTP Postfix"] > echo "postfix ok" > else > echo "postfix error" >
You might have better luck with netcat (nc). Something like: COMMAND=`nc localhost 25 | head -1l` Eric -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/cac73ar16zzgs5ur6jbhq0+rduiqjg5opdelgnczvi11u0zr...@mail.gmail.com
