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mounted_disks=$(mount | perl -le'$d = shift; print join " ", sort { le +ngth( $b ) <=> length( $a ) } map m{/dev/$d} ? (split)[2] : (), <>' $ +dest)
mounted_disks=$(perl -le'$d = shift; print join " ", sort { length( $b + ) <=> length( $a ) } map m{/dev/$d} ? (split)[2] : (), qx(mount)' $d +est)