How to extract an ipaddress and use it in for loop in expect script?

Shell Programming and Scripting
1 
set fid [open ./hosts r]
set content [read $fid]
close $fid

## Split into records on newlines
set records [split $content "\n"]
send "records splited\n"
send $records\n

set a "test\n"
send $a
foreach rec $records { 

   ## Split into fields on colons
   set fields [split $rec "\n"]
#set fields [split $records "\n"]
puts $fields

for {set x 1} {$x < 4} {incr x} {
  spawn ssh root@$fields
 expect "*yes/no*" { send "yes\r"}
   expect "*password:*" { send "redhat\r" }
   expect "*#*" { send "exit\r" }
   expect eof
   puts "$a"
}
}
2

...and is there a question, comments or just a code dump waiting for a miraculous response answering your unexplained issue?

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