Shell Programming and Scripting

SERVERLIST=serverlist.txt
OUTPUTLIST=output.txt

for host in $(cat ${SERVERLIST})
do
ssh $(host) "`hostname`;`echo $HOME`" > ${OUTPUTLIST}
done

ssh: Server1;/path/dir: host nor service provided, or not known
Usage: host [-aCdlrTwv] [-c class] [-n] [-N ndots] [-t type] [-W time]
            [-R number] hostname [server]

while read host
  do  ssh $host "hostname; echo $HOME"
  done < ${SERVERLIST}  > ${OUTPUTLIST}

while read host
do
  ssh -n $host 'hostname; echo $HOME'
done < ${SERVERLIST}  > ${OUTPUTLIST}

Pseudo-terminal will not be allocated because stdin is not a terminal.
ssh: hostname;echo /home/dir: host nor service provided, or not known

SERVERLIST=serverlist.txt
OUTPUTLIST=output.txt
while read host
do
ssh -n $host "hostname;echo $HOME"
done < ${SERVERLIST} >> ${OUTPUTLIST}

while read host
do
ssh -n $host "hostname;echo $HOME"

type ssh

PATH=/bin:/usr/bin:/sbin:/usr/sbin
SERVERLIST=serverlist.txt
OUTPUTLIST=output.txt
while read host junk
do
  case $host in
  [!#]*)
    ssh -n "$host" 'hostname; echo $HOME'
  ;;
  esac
done < ${SERVERLIST} >> ${OUTPUTLIST}