your-command | tee saved-output | processing-tool

$ LANG=C sudo lshw | tee saved-output | grep -i -A2 disk
        *-disk
             description: ATA Disk
             product: KINGSTON SKC300S
             physical id: 0.0.0
--
        *-disk
             description: ATA Disk
             product: WDC WD4002FYYZ-0
             vendor: Western Digital
$ less saved-output