need shell or Perl script to read multiple input

Shell Programming and Scripting
1

I need shell 0r Perl script to read multiple input and do something and come out

example:

echo � enter the host names separated by space �
 
read servers
foreach @servers 
{ do
do something 
done}

Here host names like host1 host2 host3 . . . . . . . so on

Please help me :confused:

2

You mean like this ?

$ echo server1 server2 server3 | perl -nle 'foreach (split / /) { print }'
server1
server2
server3
3 
#!/usr/bin/perl 

print "Enter inputs separated by comma\n";

# I am not doing error checking here....
my $input = <STDIN>;
chomp $input;
my @hosts = split(/\,/, $input);

foreach(@hosts) {
   print "$_.....\n";
   # do whatever you want
}
4

thanks for your quick reply

as u above mentioned

how print each array input

means

if I have entered serve1 srver2 server 3

foreach(@hosts) {

print �$1� ---> output will server1? if not how to print

Print �$2� ---> output will server2? if not how to print

So on..

I am new to Perl please don't feel bad�.

5

Within the loop, you can access array elements with $[0], $[1]....and so on...

-Raja

6 
#!/usr/bin/sh
# sreedhar

echo " welcome Please wait all hosts are listing\n"
echo "-----------------------------------------\n"
echo "`/alcatel/Kernel/etc/HostDeclarer.pl -list`"
echo " ----------------------------------------\n"
echo " please enter the User Name to be changed:"
read User
echo " please enter the Password:"
read Password
echo " please Enter the Host Names sapareted by space ex:host1 host2 host3\n"
read servers
echo $servers | perl -nle 'foreach (split / /) { print }' > server_list
echo '#!/usr/local/bin/expect' > sree_expt
echo "spawn passwd $User" >> sree_expt
echo 'expect "New password:"' >> sree_expt
echo send "$Password\r" >> sree_expt
echo 'expect "Re-enter new password:"' >> sree_expt
echo  send "$Password\r" >> sree_expt
echo "expect eof" >> sree_expt

-------------------------------
out put of sree_expt is like below

#!/usr/local/bin/expect
spawn passwd sree
expect "New password:"
send sree1^M
expect "Re-enter new password:"
send sree1^M
expect eof

but i need ouput like
send "sree1\r"

how to do echo to get like send "sree1\r"

7

how to print "sree\r" by echo command please help

8

Hello sreedhargouda

Try escaping the \r:

echo '#!/usr/local/bin/expect' > sree_expt
echo "spawn passwd $User" >> sree_expt
echo 'expect "New password:"' >> sree_expt
echo send "$Password\\\r" >> sree_expt
echo 'expect "Re-enter new password:"' >> sree_expt
echo send "$Password\\\r" >> sree_expt
echo "expect eof" >> sree_expt
9

how to put \r end of the line by using sed

eaxample is output is like password i need to put \r end of the line means password\r

how to dothis please help me