Shell Programming and Scripting

set -x
#!/bin/ksh
while read servername  <&3
do
ssh -t $servername
uname -a
cd /home
echo "Enter Dir to be removed >"
read Dir
if [ -d "$Dir" ]
then
echo "$Dir exists"
else
echo "$Dir is not thre"
fi
logout
done 3< /tmp/list

riker:/home/kampatel=> ./new_test.sh
+ 3< /tmp/list
+ read servername
+ 0<& 3
+ ssh -t server-1


 

HP-UX server-1 B.11.31 ia64 2459719568
 Server model: ia64 hp server Integrity Virtual Machine




You have mail.
You are superuser !

server-1:/root=>
server-1:/root=> exit
logout
Connection to server-1 closed.
+ uname -a
HP-UX server B.11.31 U ia64 0077323328 unlimited-user license
+ cd /home
+ echo Enter Dir to be removed >
Enter Dir to be removed >
+ read Dir
/home/kampatel/test
+ [ -d /home/kampatel/test ]
+ echo /home/kampatel/test is not thre
/home/kampatel/test is not thre
+ logout
./new_test.sh[16]: logout:  not found.
+ read servername
+ 0<& 3
+ ssh -t server-2

"$(
  cat << EOF
    uname -a
echo "Enter the dir >"
    read path
if [ -d "$path" ]
then
echo "removing $path as per the input .."
rm $path
else
echo "no such file"
fi
exit
EOF
  )"