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An array could make the string parsing without the need for a temporal file,. Don't forget to turn off globbing.
set -f IFS=: Hosts=($HostFull) HostMain=${Hosts[0]} HostMid=${Hosts[1]} HostSub=${Hosts[2]} set +f
An array could make the string parsing without the need for a temporal file,
IFS=: Hosts=($HostFull) HostMain=${Hosts[0]} HostMid=${Hosts[1]} HostSub=${Hosts[2]}
An array could make the string parsing without the need for a temporal file. Don't forget to turn off globbing.