an example of Puppet's HEREDOC

rc_local.pp

$rc_local = @(RC_LOCAL)
    #!/bin/sh
    # This file is managed by Puppet. Any modifications will be overwritten.

    touch /var/lock/sybsys/local

    echo '# Increase SCSI timeout on all SCSI disks attached to the system at boot time'
      ls -1 /sys/block/sd*/device/timeout | while read file
    do
      echo 360 > $file
    done
    | RC_LOCAL


file { '/etc/rc.d/rc.local':
  ensure  => file,
  owner   => 'root',
  group   => '0',
  mode    => '0755',
  content => $rc_local,
}